Word Pronunciation & Dictionary

operandum

Word Rarity Very rare

Frequency: Zipf frequency 0.00 in modern English

Syllables: operan-dum
IPA

14

Scrabble Score

9

Letters

2

Syllables

9

Unique Chars

Meaning

noun

A lever, key or device installed in an operant chamber, upon which the "subject" exerts its responses. Sometimes referred to as a manipulandum. In the prototypical operant conditioning experiment, a rat (the subject) presses upon a lever (the operandum) which triggers the delivery of food (the reward or reinforcer).

Etymology

From Latin operandum. Doublet of operand.

Origin

Source language: Latin

Word Breakdown

Root: operandum

Inflected Forms

operanda (plural)

Phrases

modus operandum

Frequently Paired Words

modus operandum

Questions

What does operandum mean?: A lever, key or device installed in an operant chamber, upon which the "subject" exerts its responses. Sometimes referred to as a manipulandum. In the prototypical operant conditioning experiment, a rat (the subject) presses upon a lever (the operandum) which triggers the delivery of food (the reward or reinforcer).
Where does operandum come from?: It is traced to Latin.

How to pronounce operandum

Open the pronunciation page — Open the Speakur entry for “operandum”.
Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
Play the audio — Click Play to hear reference audio for “operandum”.
Repeat and practice — Say “operandum” aloud, matching stress and vowels until it feels natural.