- preemergence
-
/pree'i merr"jeuhns/, adj.occurring or applied before the emergence of a plant from the soil: preemergence herbicide.Also, pre-emergence.[1930-35; PRE- + EMERGENCE]
* * *
Universalium. 2010.
preemergence
Look at other dictionaries:
preemergence — |prē+ adjective Etymology: pre + emergence : used or occurring before emergence of seedlings aboveground dramatic success has been achieved with preemergence herbicides Chem. & Engineering News no preemergence injury occurred in the field… … Useful english dictionary
preemergence — adjective Date: 1935 used or occurring before emergence of seedlings above the ground < preemergence herbicides > … New Collegiate Dictionary
preemergence — pre·emergence … English syllables
préémergence — n.f. Stade proche de l émergence … Le dictionnaire des mots absents des autres dictionnaires
preemergent — ˌ adjective Etymology: pre + emergent : preemergence * * * /pree i merr jeuhnt/, adj. Hort. 1. of or pertaining to seedlings before they emerge or appear above ground: a preemergent weed killer. n. 2. a preemergence chemical, as a herbicide. Also … Useful english dictionary
pre-e|mer|gent — pre|e|mer|gent or pre e|mer|gent «PREE ih MUR juhnt», adjective. = preemergence. (Cf. ↑preemergence) … Useful english dictionary
pre|e|mer|gent — or pre e|mer|gent «PREE ih MUR juhnt», adjective. = preemergence. (Cf. ↑preemergence) … Useful english dictionary
preemergent — adjective Date: 1959 preemergence … New Collegiate Dictionary
Biotechnology — is technology based on biology, especially when used in agriculture, food science, and medicine. The United Nations Convention on Biological Diversity defines biotechnology as: [ [http://www.biodiv.org/convention/convention.shtml The Convention… … Wikipedia
Herbicide — Weeds killed with herbicide Herbicides, also commonly known as weedkillers, are pesticides used to kill unwanted plants.[1] Selective herbicides kill specific targets while leaving the desired crop relatively unharmed. Some of these act by… … Wikipedia
