The noun YO-YO has 1 sense: 1  1. a toy consisting of a spool that is reeled up and down on a string by motions of the hand. 2  Meaning: 3  A toy consisting of a spool that is reeled up and down on a string by motions of the hand. 4  Classified under: 5  Nouns denoting man-made objects. 6  Hypernyms (yo-yo is a kind of...):
Malathion is a pesticide that is widely used in agriculture, residential landscaping, public recreation areas, and in public health pest control programs such as mosquito eradication.In the US, it is the most commonly used organophosphate insecticide.alathion is a pesticide that is widely used in agriculture, residential landscaping, public recreation areas, and in public health pest control programs such as mosquito eradication.
IMDG Not regulated as dangerous goods. TDG Not regulated as dangerous goods.WARNING: This is a controlled proprietary and confidential document. Verify revision is current prior to use. CIDEX Activated Dialdehyde SolutionMSDS-006 Revision #: F Issue date: 9/14/12 CPH MSDS NA 5 / 6 15.