pendulum

Definition from Wiktionary, a free dictionary

Contents 1 English 1.1 Etymology 1.2 Noun 1.2.1 Usage notes 1.2.2 Translations 1.2.3 Related terms 1.3 See also 2 Latin 2.1 Adjective

[edit] English

Wikipedia

[edit] Etymology

Neuter of Latin pendulus, "hanging".

[edit] Noun

pendulum (plural pendulums or pendula) (the second plural is rare; see usage notes)

1. A body suspended from a fixed support so that it swings freely back and forth under the influence of gravity, commonly used to regulate various devices such as clocks.

[edit] Usage notes

The plural form pendula is hypercorrect, and significantly rarer than pendulums; see etymology at pendula for details. However, pendula is widely used in physics.

[edit] Translations

[edit] Related terms

• Foucault’s pendulum
• pendant

[edit] See also

• simple harmonic motion

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[edit] Latin

[edit] Adjective

pendulum

1. nominative neuter singular of pendulus
2. accusative masculine singular of pendulus
3. accusative neuter singular of pendulus
4. vocative neuter singular of pendulus