a coefficient of elasticity of a substance, expressing the ratio between the force per unit area (shearing stress) that laterally deforms the substance and the shear (shearing strain) that is produced by this force.
See under modulus of elasticity.
[moh-duh s op-uh-ran-dee, -dahy; Latin moh-doos oh-pe-rahn-dee] /ˈmoʊ dəs ˌɒp əˈræn di, -daɪ; Latin ˈmoʊ dus ˌoʊ pɛˈrɑn di/ noun, plural modi operandi [moh-dee op-uh-ran-dee, moh-dahy op-uh-ran-dahy; Latin moh-dee oh-pe-rahn-dee] /ˈmoʊ di ˌɒp əˈræn di, ˈmoʊ daɪ ˌɒp əˈræn daɪ; Latin ˈmoʊ di ˌoʊ pɛˈrɑn di/ (Show IPA) 1. mode of operating or working. /ˈməʊdəs […]
n. “way in which anything is done,” 1640s, from Latin modus (plural modi), literally “a measure, extent, quantity; manner” (see mode (n.1)). Especially in modus operandi and modus vivendi.
- Modus ponens
/ˈməʊdəs ˈpəʊˌnɛnz/ noun 1. (logic) the principle that whenever a conditional statement and its antecedent are given to be true its consequent may be validly inferred, as in if it’s Tuesday this must be Belgium and it’s Tuesday so this must be Belgium
- Modus tollens
/ˈməʊdəs ˈtɒlˌɛnz/ noun 1. (logic) the principle that whenever a conditional statement and the negation of its consequent are given to be true, the negation of its antecedent may be validly inferred, as in if it’s Tuesday this must be Belgium and this isn’t Belgium so it’s not Tuesday