1
general::
substance
adjectives
a dangerous/hazardous/harmful substance
• Using chemicals or othe hazardous substances at work can put people's health at risk.
a poisonous substance
( also a noxious substance formal ) (= harmful to people )
• Cigarette smoke contains several poisonous substances.
a toxic substance
(= harmful to people and the environment )
• All toxic substances should be labelled and carefully stored in a safe place.
a radioactive substance
(= containing a form of energy that can harm people )
• People who work with radioactive substances are subject to strict regulations.
an illegal/banned/prohibited substance
(= used mainly to refer to illegal drugs )
• Any player found guilty of using banned substances faces the prospect of a lengthy suspension.
a controlled substance
law (= an illegal drug )
• He was charged with possessing a controlled substance.
an organic substance
(= from a living thing )
• Despite being an organic substance, ivory is remarkably durable.
transnet.ir
4
general::
noun material ADJ. addictive, carcinogenic, dangerous, harmful, hazardous, noxious, poisonous, radioactive, toxic | innocuous Even innocuous substances can sometimes register a positive result in a drug test. | banned, illegal | natural a natural substance found in the body of animals | chemical | inorganic, organic | pure | soluble, volatile | crystalline, fatty, oily, slimy, sticky, viscous | medicinal VERB + SUBSTANCE use | contain | produce Some frogs produce very toxic substances in their skin. | take The athletes had taken banned substances to increase their strength. important content ADJ. real The real substance of the report was in the third part. | added His disappearance has given added substance to the argument that he stole the money. VERB + SUBSTANCE have The image of him that the media have presented has no substance. | give sth, lend sth The letters lent substance to the rumours. | lack PREP. in ~ There's no difference in substance between the two points of view. | of ~ Nothing of substance was achieved at the meeting. | without ~ Their allegations were without substance. | ~ in There's no substance in the story. | ~ to There was little substance to his claims.
Oxford Collocations Dictionary