one of a set of musical directions, usually in Italian, indicating how a piece or passage is to be performed
- Expression tree
mathematics, grammar The syntax tree of an expression. (1998-11-14)
- Expression vector
expression vector n. A vector, such as a plasmid, yeast, or animal virus genome, used to introduce foreign genetic material into a host cell in order to replicate and amplify the foreign DNA sequences as a recombinant molecule.
- Expressive aphasia
expressive aphasia ex·pres·sive aphasia (ĭk-sprěs’ĭv) n. See motor aphasia.
[ik-spres-iv] /ɪkˈsprɛs ɪv/ adjective 1. full of ; meaningful: an expressive shrug. 2. serving to ; indicative of power to : a look expressive of gratitude. 3. of, relating to, or concerned with : Dance is a highly expressive art. 4. Sociology. (of a crowd or group) engaging in nonpurposeful activity of an expressive and […]