the mean number of morphemes produced per sentence, used especially as a measure of child language development.
- Mean lethal dose
noun 1. another term for median lethal dose
noun, Physics. 1. the average time that an unstable particle or nucleus survives before it decays. 2. . noun 1. (physics) the average time of existence of an unstable or reactive entity, such as a nucleus, elementary particle, charge carrier, etc; lifetime. It is equal to the half-life divided by 0.693 15 τ
noun, Printing. 1. an imaginary x-high line.
[meen-lee] /ˈmin li/ adverb 1. in a poor, lowly, or humble manner. 2. in a base, contemptible, selfish, or shabby manner. 3. in a stingy or miserly manner. [meen-lee] /ˈmin li/ adverb, Obsolete. 1. . adv. 1580s, “indifferently;” 1590s, “basely;” c.1600, “illiberally;” from mean (adj.1) + -ly (2).