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Science & Research

Experiments, theories, and the building blocks of the physical world.

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Some words in this topic are A2–C2 — part of Pro. A1 words are always free.

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C2 (308) Pro

effervesce C2
/ˌɛfɚˈvɛs/ to give off bubbles of gas; to fizz or foam M S
lenticular C2
/lɛnˈtɪkjəlɚ/ shaped like a lens, especially convex on both sides M S
calcareous C2
/kælˈkɛəɹi.əs/ Resembling, containing, or composed of calcium carbonate or limestone; chalky. M S
karyotype C2
/ˈker.i.oʊ.taɪp/ the complete chromosome set of an individual or species, considered by number and visible structure M S
tapetum C2
/təˈpiː.təm/ a reflective or pigmented layer of tissue behind or within the retina of the eye M S
hermaphroditism C2
/hɚˈmæfɹədaɪˌtɪzəm/ in biology, the condition of having both male and female reproductive organs, either simultaneously or at different life stages M S
supernatant C2
/ˌsuː.pɚˈneɪ.tənt/ lying or floating above a denser liquid, sediment, or precipitate M S
antiparticle C2
/ˈæntiˌpɑ(ɹ)tɪkəl/ a subatomic particle with the same mass and spin as another particle but opposite charge or other quantum numbers M S
hybridize C2
/ˈhaɪbrəˌdaɪz/ to cross genetically different organisms, varieties, or species, or to produce hybrid offspring M S
substratum C2
/ˈsʌbstreɪtəm/ a layer of material, especially rock or soil, lying beneath another layer M S
aphelion C2
/əˈfiːliən/ the point in the orbit of a planet, comet, or other body at which it is farthest from the Sun M S
submicroscopic C2
/ˌsʌb.maɪ.krəˈskɑː.pɪk/ too small to be seen with an ordinary microscope; smaller than microscopic scale M S
homologous C2
/həˈmɒləɡəs/ similar in position, structure, or origin, especially because of shared ancestry M S
lamella C2
/ləˈmɛlə/ a thin plate, layer, membrane, or sheet forming part of a biological, mineral, or manufactured structure M S
pubescence C2
/pjuːˈbɛsəns/ A covering of fine, soft hairs. M S
metaphase C2
/ˈmɛtəˌfeɪz/ the stage of mitosis or meiosis in which condensed chromosomes align before being separated M S
Miocene C2
/ˈmaɪəˌsiːn/ the geological epoch from about 23 million to 5.3 million years ago, within the Neogene Period M S
suborder C2
/ˈsʌbˌɔːrdɚ/ taxonomy: a rank below an order and above an infraorder, used to divide a biological order into smaller groups M S
integument C2
/ˌɪnˈtɛɡ.jə.mənt/ a natural outer covering that protects an organism or one of its parts, such as skin, a shell, or a seed coat M S
homology C2
/həˈmɑlədʒi/ similarity between structures, genes, or features because they derive from a common evolutionary ancestor M S
convolution C2
/ˌkɑːn.vəˈluː.ʃən/ a twist, coil, or fold, especially one of the folds on the surface of the brain M S
deuteron C2
/ˈduː.təˌrɑːn/ the nucleus of a deuterium, or hydrogen-2, atom, consisting of one proton bound to one neutron M S
homozygous C2
/ˌhoʊ.məˈzaɪ.ɡəs/ having two identical alleles at a particular gene locus M S
branchial C2
/ˈbɹæŋ.ki.əl/ relating to, resembling, or serving as gills M S
polymorphism C2
/pɑliˈmɔɹfɪzəm/ the occurrence of two or more distinct forms or genetic variants within a population M S
hygrometer C2
/haɪˈɡrɑːmətər/ an instrument for measuring humidity, especially the relative humidity of the air M S
coccus C2
/ˈkɑːkəs/ a bacterium with a spherical or roughly spherical shape M S
exogenous C2
/ɛkˈsɑdʒənəs/ originating outside an organism, system, or process M S
contiguity C2
/ˌkɑn.tɪˈɡju.ɪ.ti/ A state in which two or more physical objects are physically touching one another or in which sections of a plane border on one another. M S
quantize C2
/ˈkwɑːn.taɪz/ physics: to restrict a physical quantity or system to discrete allowed values or states M S
positronium C2
/ˌpɒzɪˈtɹɒniəm/ an unstable exotic atom consisting of an electron bound to its antiparticle, a positron, with no atomic nucleus M S
evolutionism C2
/ˌev.əˈluː.ʃənˌɪz.əm/ a philosophical or social doctrine that treats evolution as a universal process, often identified with progress M S
psychophysiology C2
/ˌsaɪkoʊˌfɪziˈɑlədʒi/ the study of relationships between psychological processes and physiological activity M S
scoria C2
/ˈskɔɹ.i.ə/ rough, dark, porous lava formed when gas-rich molten rock cools M S
monism C2
/ˈmɑnɪzəm/ The doctrine that there is a single source of political authority, especially that the church is subordinate to the state or vice versa. M S
geocentrism C2
/ˌdʒiːoʊˈsɛntrɪzəm/ the astronomical model or belief that Earth is stationary at the center of the universe or of the motions of the heavenly bodies M S
fecundation C2
/ˌfɛkənˈdeɪʃən/ fertilization through the union of male and female reproductive cells M S
pseudopod C2
/ˈsuː.dəˌpɑd/ a temporary projection of a cell's cytoplasm used for movement, feeding, or engulfing material M S
heterozygous C2
/ˌhet̬.ə.roʊˈzaɪ.ɡəs/ having two different alleles at a particular gene locus M S
atomistic C2
/ˌætəˈmɪstɪk/ Of or pertaining to atoms or to atomism. M S
mutational C2
/mjuːˈteɪʃənəl/ relating to, caused by, or resulting from genetic mutation M S
unisexual C2
/ˌjuːnɪˈsɛkʃuəl/ having the reproductive characteristics or organs of only one sex rather than both M S
heterozygote C2
/ˌhet̬.ə.roʊˈzaɪ.ɡoʊt/ an organism or cell having two different alleles at a particular gene locus M S
isotropy C2
/aɪˈsɑtɹəpi/ the property of a system or medium whose relevant physical or statistical properties are the same in every direction; invariance under rotation at a given point M S
slaty C2
/ˈsleɪti/ of the color of slate or granite M S
centromere C2
/ˈsɛntɹəˌmɪɹ/ the constricted region of a chromosome where the kinetochore forms and sister chromatids remain joined during cell division M S
parthenogenetic C2
/ˌpɑːrθənoʊdʒəˈnɛtɪk/ produced by or relating to reproduction in which an organism develops from an unfertilized egg M S
mineralize C2
/ˈmɪnɝəˌlaɪz/ to convert a substance into mineral or inorganic form, as in fossilization, bone formation, or carbon storage M S
conchologist C2
/kɑŋˈkɑlədʒɪst/ a person who studies or collects mollusc shells, especially for scientific classification M S
triturate C2
/ˈtrɪtʃəˌreɪt/ to crush, rub, or grind a substance thoroughly into fine particles or powder M S
pellicle C2
/ˈpɛlɪkəl/ a very thin skin, membrane, or film covering a surface M S
homozygote C2
/ˌhoʊmoʊˈzaɪɡoʊt/ an organism or cell with two identical alleles at a specified genetic locus M S
pangenesis C2
/ˌpænˈdʒɛnəsɪs/ Darwin's disproved hypothesis that every part of an organism releases hereditary particles which collect in reproductive cells and can be passed to offspring M S
electrolyze C2
/ɪˈlɛktrəlaɪz/ to decompose by means of, or as a result of electrolysis. M S
gemmule C2
/ˈdʒemˌjuːl/ a small asexual reproductive bud or resistant cluster of cells, especially one produced by a sponge or another simple organism M S
cilium C2
/ˈsɪliəm/ a microscopic hairlike projection from a eukaryotic cell, used for movement, moving fluid, or sensing the environment M S
diffract C2
/dɪˈfrækt/ of a wave or particle beam, to spread or change direction through interference after meeting an edge, aperture, or periodic structure M S
congelation C2
/ˌkɑːndʒəˈleɪʃən/ the process or result of congealing, especially changing from a liquid to a solid by cooling M S
trituration C2
/ˌtrɪtʃəˈreɪʃən/ the act or process of crushing, rubbing, or grinding a substance into fine particles M S
rarefy C2
/ˈɹɛəɹəˌfaɪ/ to make a gas thinner or less dense M S
conchological C2
/ˌkɑŋkəˈlɑdʒɪkəl/ relating to conchology, the scientific study and classification of mollusc shells M S
fossiliferous C2
/ˌfɑːsəˈlɪfɝəs/ bearing or containing fossils M S
verifiability C2
/ˌvɛrəfaɪəˈbɪləti/ the quality of being capable of being checked or confirmed by evidence, observation, or a specified procedure M S
antineutron C2
/ˌæn.tiˈnuː.trɑːn/ the antiparticle of the neutron, with the same mass and no net electric charge but opposite baryon number M S
consilience C2
/kənˈsɪ.li.əns/ agreement between conclusions reached independently from different kinds of evidence M S
volatilize C2
/ˈvɑːlətəˌlaɪz/ to cause a substance to become vapor, or to pass off as vapor M S
mongrelize C2
/ˈmʌŋɡrəˌlaɪz/ to crossbreed plants or animals so that their offspring have mixed ancestry M S
deliquesce C2
/ˌdɛlɪˈkwɛs/ to absorb moisture from the air until dissolved in the resulting liquid M S
agglutinate C2
/əˈɡluːtəˌneɪt/ to cause particles, cells, or other separate things to stick together in a clump or mass, or to undergo such clumping M S
precessional C2
/priˈsɛʃənəl/ relating to precession, the slow change in the orientation of a rotating body's axis or orbit M S
counterfactual C2
/ˌkaʊntərˈfæktʃuəl/ relating to or expressing what has not happened but could happen under different conditions M S
intercrossing C2
The interbreeding of two strains that have a common ancestry M S
classificatory C2
relating to or involving classification:'classificatory criteria' M S
aestivation C2
/ˌiːstɪˈveɪʃən/ (botany) the arrangement of sepals and petals in a flower bud before it opens M S
light-wave C2
/ˈlaɪtˌweɪv/ a wave of electromagnetic radiation considered as light M S
light-ray C2
/ˈlaɪtˌreɪ/ a line or narrow beam representing the path along which light travels M S
light-quantum C2
/ˈlaɪtˌkwɑntəm/ a quantum of light; a photon M S
timelike C2
/ˈtaɪmˌlaɪk/ relating to a spacetime interval that can connect events by a signal slower than light M S
spacelike C2
/ˈspeɪsˌlaɪk/ relating to a spacetime interval whose endpoints cannot be connected by a light-speed or slower signal M S
spatiotemporal C2
/ˌspeɪʃioʊˈtɛmpərəl/ relating to both space and time M S
reversibility C2
/rɪˌvɜrsəˈbɪləti/ the quality of being able to be reversed M S
world-line C2
/ˈwɜrldˌlaɪn/ the path of an object through spacetime M S
undulatory C2
/ˈʌndʒələˌtɔri/ moving in waves or relating to wave motion M S
stratify C2
/ˈstrætəfaɪ/ to form, arrange, or deposit something in distinct layers M S
intercross C2
/ˌɪntɚˈkrɔs/ biology and genetics: to breed individuals from two strains or populations M S
systematist C2
/ˈsɪstəmətɪst/ a biologist who studies systematics and classifies organisms by their relationships M S
congener C2
/ˈkɒnd͡ʒɪnə/ a person or thing of the same kind or class as another M S
vivisector C2
/ˈvɪvəˌsɛktər/ a person who performs vivisection or experiments involving operations on living animals M S
uranyl C2
/ˈjʊr.əˌnɪl/ the linear dioxouranium(VI) cation UO2^2+, a common structural unit in uranium(VI) compounds and complexes M S
nonscience C2
/ˌnɑːnˈsaɪəns/ a subject, practice, or body of claims that is not science or does not use scientific methods M S
peptone C2
/ˈpɛptoʊn/ a water-soluble mixture of peptides and amino acids produced by the partial hydrolysis of protein M S
photomicrograph C2
/ˌfoʊtəˈmaɪkrəˌɡræf/ a photograph made through a microscope so that a highly magnified subject can be recorded M S
polyploidy C2
/ˈpɑliˌplɔɪdi/ the condition or process of having more than two complete sets of chromosomes in a cell or organism M S
radiational C2
/ˌreɪdiˈeɪʃənəl/ relating to, involving, or caused by radiation M S
infecundity C2
/ˌɪnfɪˈkʌndəti/ inability or reduced ability to reproduce; lack of fertility M S
pre-Copernican C2
/ˌpriː.koʊˈpɝː.nɪ.kən/ existing before Nicolaus Copernicus's work or before acceptance of the heliocentric model associated with him M S

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