be retarded
1Retarded — Re*tard ed, n. having a limited or below normal mental ability; same as {mentally retarded}; used especially in relation to performance in academic tasks. [PJC] …
2retarded — retarded; un·retarded; …
3retarded — index arrested (checked), disadvantaged, late (tardy) Burton s Legal Thesaurus. William C. Burton. 2006 …
4retarded — (adj.) 1810, pp. adjective from RETARD (Cf. retard) (v.). In childhood development sense, mentally slow, attested from 1895 (Cf. It. tardivi) …
5retarded — ► ADJECTIVE ▪ less advanced in mental, physical, or social development than is usual for one s age …
6retarded — [ritär′did] adj. slowed or delayed in development or progress, esp. because of mental retardation …
7Retarded position — Einstein s equations admit gravity wave like solutions. In the case of a moving point like mass and in the linearized limit of a weak gravity approximation these solutions of the Einstein equations are known as the Lienard Wiechert gravitational… …
8retarded — /ri tahr did/, adj. 1. characterized by retardation: a retarded child. n. 2. (used with a pl. v.) mentally retarded persons collectively (usually prec. by the): new schools for the retarded. [1800 10; RETARD + ED2] Syn. backward, disabled,… …
9retarded — re•tard•ed [[t]rɪˈtɑr dɪd[/t]] adj. 1) psi characterized by retardation: a retarded child[/ex] 2) psi the retarded, mentally retarded persons collectively …
10Retarded time — According to Maxwell s Equations, electromagnetic waves in a vacuum travel at the speed of light, c . Since c is finite, a photon emitted when t = t0 takes a certain amount of time to reach an observer located at a distance r from the source, so… …
