A sedative or tranquilizer (or tranquilliser, see American and British English spelling differences) is a substance that induces sedation by reducing irritability or excitement. At higher doses it may result in slurred speech, staggering gait, poor judgment, and slow, uncertain reflexes.oses of sedatives such as benzodiazepines, when used as a hypnotic to induce sleep, tend to be higher than amounts used to relieve anxiety, whereas only low doses are needed to provide a peaceful effect.
1 Scab, a hard coating on the skin formed during the wound healing reconstruction phase.  scAb, single-chain antibody fragment.
tr.v. slubbed, slubÂ·bing, slubs. To draw out and twist (a strand of silk or other textile fiber) in preparation for spinning. n. 1. A soft thick nub in yarn that is either an imperfection or purposely set for a desired effect.. slub-soft lump or unevenness in a yarn; either an imperfection or created by design. burl, knot. raggedness, roughness-a texture of a surface or edge that is not smooth but is irregular and uneven.