Preemergent
adjective, Horticulture.
1.
of or relating to seedlings before they emerge or appear above ground:
a preemergent weed-killer.
noun
2.
a preemergence chemical, as a herbicide.
Read Also:
- Preemie
noun, Informal. 1. an infant born prematurely; a preterm. noun 1. (slang, mainly US & Canadian) a premature infant preemie pree·mie or pre·mie (prē’mē) n. A prematurely born infant. preemie preemie prematurely born infant
- Preeminent
adjective 1. eminent above or before others; superior; surpassing: He is preeminent in his profession.
- Preeminently
adjective 1. eminent above or before others; superior; surpassing: He is preeminent in his profession.
- Preemphasis
noun, Electronics. 1. a process of increasing the amplitude of certain frequencies relative to others in a signal in order to help them override noise, complemented by deemphasis before final reproduction of the signal being received.
- Preemployment
or pre-employment [pree-em-ploi-muh nt] /ˌpri ɛmˈplɔɪ mənt/ adjective 1. being required or accomplished before an employee begins a new job: a preemployment medical exam. noun 2. the period of testing, processing, etc., before the start of employment.