Something which envelops

Third-person singular simple present indicative form of envelop

Synonym of hongbao

(idiomatic, humorous, in hypothetical constructs) Any kind of event or activity that may contribute to one's self-promotion or visibility in society.

Alternative form of back-of-the-envelope

The area in which a robot, or any part of one, can move around.

(idiomatic) Approximate, rough, simplified, especially of a calculation, estimation or other reasoning.

(intransitive, idiomatic, originally aeronautics) To go beyond established limits; to pioneer.

(biology) nuclear membrane

plural of nuclear envelope