- promoting the retention of heat (thermal underwear). —n. Rising current of warm air (used by gliders etc. To gain height). thermally adv. [french: related to *therm]
THERMOS
n. (in full thermos flask) propr. Vacuum flask. [greek: related to *thermo-]
THICKEN
v. - make or become thick or thicker.
- become more complicated (plot thickens). thickener n.
THICKET
n. Tangle of shrubs or trees. [old english: related to *thick]
THIMBLE
n. Metal or plastic cap worn to protect the finger and push the needle in sewing. [old english: related to *thumb]
THINKER
n. - person who thinks, esp. In a specified way (an original thinker).
- person with a skilled or powerful mind.
THINNER
n. Solvent for diluting paint etc.
THIRSTY
adj. (-ier, -iest) 1 feeling thirst.
- (of land, a season, etc.) Dry or parched.
- (often foll. By for or after) eager.
- colloq. Causing thirst (thirsty work). thirstily adv. Thirstiness n. [old english: related to *thirst]
THISTLE
n. - prickly plant, usu. With globular heads of purple flowers.
- this as the scottish national emblem. [old english]
