Meaning & use

megadose

noun, verb·Advanced

Last updated

UK/ˈmeɡədəʊs/
US/ˈmeɡədoʊs/

Meanings

  1. nouncountable

    An extremely large amount of a vitamin, drug or other substance, far more than the normal recommended quantity.

    Grammar: Countable: a megadose, two megadoses; often followed by of.

    Patterns

    • a megadose of something
    • take a megadose

    He took a megadose of vitamin C when he felt a cold coming.

    Doctors warn that a megadose of some vitamins can damage the liver.

    The study tested a megadose of the drug on mice.

  2. verbtransitiveinformalrare

    To give or take a very large quantity of a substance such as a vitamin.

    Grammar: Takes an object: megadose the patient or megadose vitamin A. This use is rare and informal.

    Patterns

    • megadose on something
    • megadose someone with something

    She megadosed on vitamins all winter.

    Some athletes megadose supplements without medical advice.

    The researcher megadosed the cells to see how they would react.

Word forms

pluralmegadoses
third person singularmegadoses
past tensemegadosed
past participlemegadosed
-ing formmegadosing

Common combinations

a megadose of vitamin C
A megadose of vitamin C will not cure a cold.
take a megadose
Never take a megadose without asking a doctor.
megadose therapy
Megadose therapy remains controversial among doctors.
a daily megadose
He swallowed a daily megadose of supplements.

Synonyms and how they differ

overdose
An overdose is a harmful amount, while a megadose is simply very large and may be taken on purpose.
heavy dose
A heavy dose is less extreme and can be used about non-medical things such as a heavy dose of humor.
large dose
A large dose is a general phrase, while megadose suggests a quantity many times the recommended level.

Opposites

Word family

dose noun
a measured amount of medicine
dosage noun
the amount and frequency of a dose
megadosing noun
the practice of taking very large doses
overdose noun
a dangerously large dose

Commonly confused: megadose or overdose?

megadose vs overdose

An overdose is a dangerous excess that causes harm, but a megadose is only defined by being very large.

Practice

Which word best fits: The nutritionist warned against taking a ___ of vitamin A.

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