I. prefix
also em-
Etymology: Middle English, from Old French, from Latin in-, im-, from in — more at in
1. : put into
en cradle
: put on to
en throne
: cover or surround with
en verdure
: go into or on to
em bus
— in verbs formed from nouns
2. : cause to be
en glad
en slave
— sometimes in verbs that also have the suffix -en
em bolden
— in verbs formed from adjectives or nouns
3. : provide with
en collar
em power
— in verbs formed from nouns
4. : so as to cover or surround
en wrap
: thoroughly
en tangle
— often in verbs differing little or not at all in meaning from the corresponding verb without prefix
en tame
— in verbs formed from verbs; in all senses usually em- before b, m, or p and en- in other circumstances
II. prefix
also em-
Etymology: Middle English, from Latin, from Greek, from en in — more at in
: in : within : inside
en dermic
en gram
en zootic
— usually em- before b, m, or p
em batholithic
and en- in other circumstances
III.
— see oen-
IV. combining form
Etymology: International Scientific Vocabulary, from -ene
: chemically unsaturated ; especially : having one double bond
en amine