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testa
tes·ta T0125200 (tĕs′tə)n. pl. tes·tae (-tē′) The protective, often hard outer coat of a seed. [Latin, shell.]testa (ˈtɛstə) n, pl -tae (-tiː) (Botany) a hard protective outer layer of the seeds of flowering plants; seed coat[C18: from Latin: shell; see test2]tes•ta (ˈtɛs tə) n., pl. -tae (-tē). the outer, usu. hard, integument or coat of a seed. [1790–1800; < New Latin, Latin; see test2] tes·ta (tĕs′tə) See seed coat.ThesaurusNoun | 1. | testa - protective outer layer of seeds of flowering plantsepisperm, seed coatreproductive structure - the parts of a plant involved in its reproductionseed - a mature fertilized plant ovule consisting of an embryo and its food source and having a protective coat or testa |
testa
testa a hard protective outer layer of the seeds of flowering plants; seed coat testa[′tes·tə] (botany) A seed coat. Also known as episperm. testa
tes·ta (tes'tă), 1. In protozoology, usually termed test; an envelope of certain forms of ameboid protozoa, consisting of various earthy materials cemented to a chitinous base (as in the testate rhizopods of the subclass Testacealobosia) or the calcareous, siliceous, organic, or strontium sulfate skeletons in the rhizopod subclass Foraminifera. 2. In botany, the outer, sometimes the only, coat of a seed. [L. shell] tes·ta (tes'tă) 1. In protozoology, usually termed test; an envelope of certain forms of ameboid protozoa, consisting of various early materials cemented to a chitinous base (as in the testate rhizopods of the subclass Testacealobosia) or the calcareous, siliceous, organic, or strontium sulfate skeletons in the rhizopod subsclass Foraminifera. Synonym(s): test (6). 2. In botany, the outer, sometimes the only, coat of a seed. [L. shell]testa a protective coat around the seed, formed from the INTEGUMENTS of the OVULE. At one area on the testa is the hilum, at one end of which is often found the MICROPYLE. Sometimes the testa is responsible for seed dormancy, a state which is broken when the coat ruptures (see GERMINATION).LegalSeeTesteTESTA
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TESTA➣Trans European Services for Telematics Between Administrations | TESTA➣Texas Earth Science Teachers Association (Science Teachers Association of Texas) | TESTA➣Turf Equipment Service Technicians Association (Estero, FL) |
testa Related to testa: TeslaSynonyms for testanoun protective outer layer of seeds of flowering plantsSynonymsRelated Words- reproductive structure
- seed
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