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bioassay

Upper-Intermediate (B2)

IPA: //ˌbaɪ.oʊˈæ.seɪ//

KK: /baɪoʊˈæseɪ/

noun
Definition

A method used to measure the strength or activity of a substance, like a drug, by comparing its effects on a living organism to a known standard.


Example

The researchers conducted a bioassay to evaluate the effectiveness of the new medication.


Conversation
Sloth A
Have you ever heard of a bioassay?
Sloth B
Yeah, I think it's a test for measuring the effects of drugs, right?
Sloth A
Exactly! It's used to compare a new drug's strength against a standard one.
Sloth B
That sounds really interesting; I didn't know it was so scientific!

Synonyms & Antonyms
Synonyms
assay
test
evaluation
Antonyms
inactivity
ineffectiveness
failure
transitive verb
Definition

To test a substance's effects on living organisms by measuring its biological activity.


Example

The researchers decided to bioassay the new drug to determine its effectiveness.


Tense Forms

Past: bioassayed

Past Participle: bioassayed


Conversation
Sloth A
Have you ever had to bioassay any substances for your research?
Sloth B
No, I haven't done that yet, but I've read about it.
Sloth A
It's interesting how they bioassay different compounds to test their effects.
Root Explanation

Bioassay → It is formed from "bio-" (from Greek "bios", meaning life) and "assay" (from Old French "assayer", meaning to test or try). The word "bioassay" refers to a test that measures the effects of a substance on living organisms.

Memory Tip

Think of 'life' ('bio-') being 'tested' ('assay') to remember that a bioassay is a test involving living organisms.

Visually Confused Words

No commonly confused words.

Is this page helpful?
Sloth B
Yeah, it sounds complicated but really important for understanding.

Synonyms & Antonyms
Synonyms
test
evaluate
assess
Antonyms
ignore
neglect
overlook