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testate having made, before dying, a legally valid will. (Cf. intestate.)
testator one who has left a legally valid will.
test ban an agreement between nations that produce atomic bombs to refrain from nuclear testing, as in the earth's atmosphere.
test case a legal action that tries the constitutionality of a statute or that is likely to set a precedent.
tester1 one that tests.
tester2 a canopy, esp. over a bed or altar.
testicle one of the two male reproductive glands, located in the scrotum.
testify to give evidence or testimony. [6 definitions]
testimonial a formal statement testifying to a specific fact. [4 definitions]
testimony the evidence presented under oath in a court of law. [3 definitions]
testing the act or practice of administering or undergoing a test or tests.
testis a testicle.
testosterone a steroid hormone produced in the testes that is responsible for stimulating the development of male sex organs, secondary sex characteristics, and sperm.
test pilot a pilot who flies new or experimental aircraft to examine their conformity to design standards and ascertain their fitness for use.
test tube a thin hollow glass cylinder, closed at one end, that is used chiefly in biological and chemical laboratories, esp. in conducting experiments.
test-tube made in or as if in a test tube; synthetic or artificial. [2 definitions]
testudo a movable fireproof shelter, sometimes formed by overlapping shields, that was held by ancient Roman foot soldiers during sieges.
testy easily annoyed or angered; irritable; touchy. [2 definitions]
Tet the festival of the lunar New Year, celebrated by the Vietnamese.
tetanus an often fatal infectious disease involving rigidness and spasms of the muscles, esp. in the neck and lower jaw, and caused by a bacterium that usu. gains entry to the body through a wound. [2 definitions]
tête-à-tête a conversation between two people in private. [3 definitions]