trimester C2+ Topic:Communication US /traɪˈmɛstɚ/ UK /trɪˈmɛstə/ See IPA manual Meanings 1 noun a period of three months, especially of a pregnancy or academic term Morning sickness usually eases after the first trimester. Thesaurus Synonyms 1 noun · a period of three months,... termquartertrimestral period Word family Derived forms trimestral Related forms semesterbimester Etymology AI details From French trimestre, from Latin trimestris ('of three months'), from tri- ('three') + mensis ('month'). trimestris Latin tri Latin mensis Latin View etymology graph -> Topics Communication Word Formation & Derivatives External links Google Images Cambridge Dictionary Wiktionary # trimester **Type:** Word **Level:** C2+ **Part of speech:** noun **IPA (US):** /traɪˈmɛstɚ/ **IPA (UK):** /trɪˈmɛstə/ ## Meanings 1. a period of three months, especially of a pregnancy or academic term ## Examples - Morning sickness usually eases after the first trimester. ## Synonyms - term - quarter - trimestral period ## Derived Forms - trimestral ## Related Forms - semester - bimester ## Roots and Affixes - Root: trimestris - Root: tri - Root: mensis ## Etymology From French trimestre, from Latin trimestris ('of three months'), from tri- ('three') + mensis ('month'). ## AI Etymology Trimester is from French trimestre, from Latin trimestris ('of three months'), from tri- ('three') + mensis ('month'). Important recorded forms include trimestris (Latin), tri (Latin), and mensis (Latin). Morphologically, the word preserves a built structure whose named elements carry the historical sense into English. The modern sense continues the older lexical line without requiring a separate origin. In current use it covers a period of three months, especially of a pregnancy or academic term. The wider family includes derived forms such as trimestral and related words such as semester and bimester. ## Topics - Communication - Word Formation & Derivatives markdown