Primary-tissue
noun, Botany.
1.
any tissue resulting directly from differentiation of an apical meristem.
Read Also:
- Primary treatment
noun primary care Word Origin 1808 Usage Note medical
- Primary tuberculosis
primary tuberculosis n. Tuberculosis caused by infection with tubercle bacilli and characterized by the formation of a primary complex in the lungs consisting of a small peripheral pulmonary focus and hilar or paratracheal lymph node involvement; it may cavitate and heal with scarring or progress.
- Primary-type
noun, Biology. 1. a specimen used in the original description or illustration of a species.
- Primary union
primary union n. See healing by first intention.
- Primary-verb
noun, Grammar. 1. one of the three verbs, be, do, and have, that can function both as a main verb and an auxiliary verb.