The adverse effects resulting from a single (or small number) dose or exposure to a substance.

1. Adverse effects occurring within a short time (usually up to 14 d) after administration of a single dose (or exposure to a given concentration)of a test substance or after multiple doses (exposures), usually within 24 h. 2. Ability of a substance to cause adverse effects within a short time of dosing or exposure. AN chronic toxicity.

The quality or potential of a substance to cause injury or illness shortly after exposure to a relatively large dose. (See chronic toxicity.)

A term used to describe immediate toxicity. Its use is associated with toxic effects that are severe (e.g., mortality) in contrast to the term "sub chronic toxicity," which is associated with toxic effects that are less severe. The term "acute toxicity" is often confused with that of acute exposure.

adverse health effects resulting from brief exposure to a chemical.

the ability of a hzardous substance to cause injury or death to an organims as a result of a short-term exposure to a hazardous substance. ( MTCA, p 13)

"The physical or psychological harm a drug might present to the user immediately or soon after the drug is ingested into the body" ( Levinthal, 23).

A toxic effect which occurs immediately or shortly after a single exposure.

The ability of a substance to cause harmful effects soon after a single exposure or dose. Opposite of chronic toxicity. [See: Estimated Minimum Acute Dose of Fluoride | Estimated Minimum Lethal Dose of Fluoride

Adverse effects occurring within a short time of administration of a single dose of an agent, or immediately following short or continuous exposure, or multiple doses over 24 hours or less.

when a substance leads to harmful effects shortly (£ 96 hours) after one exposure at a relatively large dose. The exposure is normally sudden and often produces an emergency situation.

The rapid onset of an adverse effect from a single exposure. Acute toxicity of a compound is not an indicator of its chronic effects.

Immediate or short-term response of an organism to a chemical substance.  Refers to generalized toxic response with lethality usually being the observed endpoint.

Compare? Adverse effects that result from a single dose or single exposure of a chemical; any poisonous effect produced within a short period of time, usually less than 96 hours. This term normally is used to describe effects in experimental animals.

The capacity of a chemical to cause death or injury from a single dose or exposure. LC50 is used to indicate the degree of acute toxicity for aquatic animals.

Exposure that will result in significant response shortly after exposure (typically a response is observed within 48 or 96 hours).

The short-term toxicity of a product in a single dose. Can be divided into oral, cutaneous, and respiratory toxicities.

toxic reaction that occurs shortly after exposure to a toxic agent.

The ability of a substance to cause severe biological harm or death soon after a single exposure or dose. Also, any poisonous effect resulting from a single short-term exposure to a toxic substance. (See: chronic toxicity, toxicity.)

The toxic effects resulting from a single dose or short exposure to a substance

Any poisonous effect produced within a short period of time, resulting in severe biological harm and often death.

Any harmful effect produced by a single short-term exposure that may result in severe biological harm or death.

Acute effects resulting from a single dose of, or exposure to, a substance. Ordinarily used to denote effects in experimental animals.

Adverse health effects from a single dose or exposure to a toxic chemical or other toxic substance.

any poisonous effect produced within a short time after exposure to a toxic compound, usually within 24 to 96 hours.

Refers to adverse effects suffered as the result of a short, one-time exposure to toxic materials.  It occurs within a relatively short period.  Exposure is measured in seconds, minutes, or hours relative to inhalation or skin absorption.

Immediately measurable effects of a toxin on an organism.

The ability of a substance to cause poisonous effects resulting in severe biological harm or death soon after a single exposure or dose. Also, any severe poisonous effect resulting from a single short-term exposure to a toxic substance.

the effect of a single, short term exposure, as might occur during an accidental release

the short-term effects of a one-time exposure to a chemical substance.

Effect of pesticide or chemical substance that occurs immediately or directly upon exposure to the substance. Usually refers to one exposure time frame.

The discernible adverse effects induced in an organism within a short period of time (days) of exposure to a chemical. For aquatic animals, this usually refers to continuous exposure to the chemical in water for a period of up to four days. The effects (lethal or sub-lethal) occurring may usually be observed within the period of exposure with aquatic organisms. Acute toxicity is usually defined as TUa = 100/LC50. Note that acute means short, not mortality.

adverse effects resulting from a single exposure or dose of a chemical; immediate effect

The amount of a substance, as a single dose, to cause poisoning in a test animal.

Adverse effects from a single exposure or effect over a short period of time (usually 96 hours or less).

A substance so poisonous as to cause severe biological harm or death soon after a single exposure or dose.

The ability of a substance to cause harmful effects soon after a single exposure or dose. Also, any severe poisonous effect resulting from a single short-term exposure to a toxic substance. See also chronic toxicity.

Refers to effects that occur immediately after exposure to a toxic substance (hours/days). Usually the term acute refers to a short-term and high-dose exposure (see subchronic and chronic for comparison).

The effect of a single high-level exposure, as would occur during accidental release.

Any poisonous effect produced within a short period of time following an exposure, usually 24 to 96 hours.

Adverse effects to a plant or animal that result from an acute exposure to a stimulant, such as a pollutant. The exposure usually does not constitute a substantial portion of the life span of the organism. In standard laboratory toxicity tests with aquatic organisms, an effect observed in 96 hours or less is typically considered acute. Also described as a stimulus severe enough to induce an effect.

Acute toxicity describes the adverse effects resulting from a single exposure to a substance.