tessituraThe most acceptable and comfortable vocal range for a singer or musical instrument; the range in which a given type of voice presents its best-sounding timbre.
testaceologyThe science of testaceous mollusks; conchology.
testaceotheologyThe "theology of shellfish", or the study of divine or spiritual significance attributed to shellfish, such as clams, oysters, and other mollusks.
testaceousPertaining to earthenware or baked clay.
testacidBelonging to the protozoan order Arcellinida (formerly Testacida).
testacyThe condition of being testate, of having left a valid will at one's death.
testamentA solemn, authentic instrument in writing, by which a person declares his or her will as to disposal of his or her inheritance (estate and effects) after his or her death, benefiting specified heir(s).
testamentalOf or pertaining to a testament; testamentary.
testatumOne of the clauses of an English deed, enumerating the operative words of transfer, statement of consideration, money, etc.
testbankA collection of test questions and/or tests; a databank full of such items.
testbedAny platform used for testing a scientific theory, computational tool or new technology.
testbeddingThe process of experimenting in a testbed environment.
testcrossThe breeding of an individual with a phenotypically recessive individual, in order to determine the zygosity of the former by analysing proportions of offspring phenotypes.
testibiopalladiteAn isometric-tetartoidal mineral containing antimony, palladium, and tellurium.
testicanA multidomain proteoglycan that is expressed in the brain
testicleA testis: the male sex and endocrine gland, found in most types of animals, that produces sperm and male sex hormones, including the steroid testosterone.
testiclectomyRemoval of the testicles. (Compare castration, orchiectomy.)
testicledHaving a specified kind or number of testicles.
testiculomaAny testicular lump, mass, swelling, or tumor; the term predates modern histopathology and thus (a) is vague and (b) does not correspond specifically to any current neoplastic disease entity as defined by the World Health Organization's WHO Classification of Tumours series or other major reference works on that topic.
testosteroneA steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes, but also in the ovaries and adrenal cortex.
testosteronedHaving qualities associated with testosterone; macho