| 释义 |
epi-
prefix
or ep- also eph-
Etymology: epi- from Middle English, upon, from Middle French & Medieval Latin; Middle French, from Medieval Latin, from Latin, from Greek, from epi on, upon, to; ep- from Middle French, from Latin, from Greek, from epi; eph- from Latin, from Greek, from epi; akin to Old English eofot crime, Gothic iftuma next, following, Latin ob to, before, on account of, Sanskrit api besides
1. : upon
< epiphyte >
: besides
< epenthesis >
: near to
< epencephalon >
: over
< epicenter >
: outer
< epidermis >
: anterior
< epicnemial >
: prior to
< epacme >
: after
< epembryonic >
— epi- before consonants other than h, and sometimes ep- before vowels and eph- before h (which is not repeated), but sometimes epi- even before h or a vowel
2. : chemical compound or group related in some manner to a (specified) chemical compound or group: as
a. : epimer of a (specified) chemical compound
< epicholesterol >
< epirhamnose >
b. : chemical compound or group distinguished from a (specified) chemical compound or group by having a bridge connection
< epichlorohydrin >
< 9,10-epidioxyanthracene >
3. : altered — in petrographic terms
< epidiorite >
4. : resting on as a geological stratum : following in time — in names of geological eras, periods, systems, series, or formations
< Eparchean > |