Meaning of SEMI- in English


transcription, транскрипция: [ ˌse-mē, -ˌmī, -mi ]


Etymology: Middle English, from Latin; akin to Old High German sāmi- half, Greek hēmi-


a. : precisely half of:

(1) : forming a bisection of

semi diameter

(2) : being a usually vertically bisected form of (a specified architectural feature)

semi dome

b. : half in quantity or value : half of or occurring halfway through a specified period of time

semi annual

semi monthly

— compare bi-

2. : to some extent : partly : incompletely

semi civilized

semi- independent

semi dry

— compare demi- , hemi-


a. : partial : incomplete

semi consciousness

semi darkness

b. : having some of the characteristics of

semi porcelain

c. : quasi-

semi governmental

semi monastic

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.