peri- — around, near, surrounding (affix)
peri-
around, near, surrounding
Used in (4)
perimeter
C2
/pəˈɹɪmətɚ/
the total length of the boundary of a two-dimensional shape
Meaning
Off
Sound
Off
periscope
C2
/ˈpɛɹɪskəʊp/
an optical instrument that provides a view of an otherwise obstructed field
Meaning
Off
Sound
Off
peripheral
B2
/pəˈɹɪf(ə)ɹ(ə)l/
situated near the edge or outer part of something
Meaning
Off
Sound
Off
periphery
C2+
/pəˈrɪfəri/
the outer edge or boundary of an area or group
Meaning
Off
Sound
Off