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Definition of hypo

hypo

/ˈhaɪ.poʊ/
hy · po

Plural:hypos
•
Adjective:hypodermic
•
Past Simple:hypoed
•
Past Participle:hypoed
•
Present Participle:hypoing
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hypo Lexical Profile

hypo Game Scores & Validity

• noun

1

A hypodermic needle or syringe, or an injection administered with one (informal).

Example

"The nurse prepared a quick hypo to help alleviate the patient's acute pain."


2

British An episode of hypoglycemia, especially as experienced by a person with diabetes (informal).

Example

"He always carries glucose tablets in his pocket in case he feels a hypo coming on after exercise."


3

American A hypothetical situation or question, especially one used in legal education and courtroom argument (informal).

Example

"The law professor posed a complex constitutional hypo to test how the students would apply the precedent."


4

Sodium thiosulfate (formerly called sodium hyposulfite), a chemical compound used as a photographic fixing agent.

Example

"In traditional darkroom processing, the developed film is immersed in a bath of hypo to make the image permanent and light-resistant."

Synonyms
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• verb

1

American To stimulate, boost, or artificially inflate the interest, sales, or ratings of something (informal).

Example

"The network tried to hypo the show's sweeps-week ratings by bringing in several high-profile guest stars."

Synonyms
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• Rhymes for hypo

Word Origin & Etymology

Formed in the 19th and 20th centuries as an independent clipping of various scientific and medical terms beginning with the Ancient Greek prefix hupo- ('under' or 'beneath'), notably hypodermic, hyposulfite, and hypoglycemia.

Cite this Entry


Wordmom. (2026). Definition of Hypo. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/hypo
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