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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

causal agent, cause, causal agency go
any entity that produces an effect or is responsible for events or results

agent
a substance that exerts some force or effect

noun.substance

24 Subcategories

antiflatulent go
any agent that reduces intestinal gas
antifungal, antifungal agent, fungicide, antimycotic, antimycotic agent go
any agent that destroys or prevents the growth of fungi
disinfectant, germicide, antimicrobic, antimicrobial go
an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease
drug go
a substance that is used as a medicine or narcotic
vermicide go
an agent that kills worms (especially those in the intestines)
antacid, gastric antacid, alkalizer, alkaliser, antiacid go
an agent that counteracts or neutralizes acidity (especially in the stomach)
bacteriostat go
a chemical or biological material that inhibits bacterial growth
bleach, bleaching agent, blanching agent, whitener go
an agent that makes things white or colorless
chemical agent go
an agent that produces chemical reactions
coagulant, coagulator go
an agent that produces coagulation
coolant go
a fluid agent (gas or liquid) that produces cooling
dilutant, diluent, thinner go
a diluting agent
emmenagogue go
any agent that promotes menstrual discharge
galactagogue go
agent that induces milk secretion
hypnagogue go
an agent that induces drowsiness or sleep
hypoglycemic agent, hypoglycaemic agent go
any of various agents that decrease the level of glucose in the blood and are used in the treatment of diabetes mellitus
inducer go
an agent capable of activating specific genes
lactifuge go
any agent that reduces milk secretion (as given to a woman who is not breast feeding)
lactogen go
any agent that enhances milk production
mitogen go
an agent that triggers mitosis
nerve gas, nerve agent go
a toxic gas that is inhaled or absorbed through the skin and has harmful effects on the nervous and respiratory system
precipitant go
an agent that causes a precipitate to form
solvating agent go
an agent that converts something into a solvate
viricide, virucide go
an agent (physical or chemical) that inactivates or destroys viruses