How to pronounce rapidity
Say it like ruh-PID-uh-tee. Rapidity has four syllables, and the main stress falls on the second one (PID).
Click the play button next to American or British to hear how to pronounce rapidity. Choose Slow to hear each sound clearly.
- ruh
- PID
- uh
- tee
- Main stress
- Lighter stress
- Unstressed
Rapidity pronunciation, sound by sound
Read the parts left to right, then blend them together without pausing.
- ruhKeep this part quick and light. The vowel is the relaxed "uh" in about.
- PIDSay this part loudest and longest. The vowel is the "i" in sit.
- uhKeep this part quick and light. The vowel is the relaxed "uh" in about.
- teeKeep this part quick and light. The vowel is the "ee" in see.
American vs British pronunciation of rapidity
- Americans usually soften the t in the middle into a quick d-like tap; British speakers keep a crisp t.
British respelling: ruh-PID-uh-tee.
What does rapidity mean?
- speed, swiftness; the condition of being rapid
- A measure of velocity relative to the speed of light; defined as artanh(v), where artanh is the hyperbolic arctangent, and v = speed (with c = speed of light = 1).
- A measure of the velocity of a particle in a beam relative to the beam's axis
Where does rapidity come from?
From rapid + -ity, from French rapidité, from Latin rapiditas.
Similar and opposite words
Similar meaning
Words that rhyme with rapidity
Practicing rhymes is a quick way to lock in the vowel sound of rapidity.
Questions about saying rapidity
How do you pronounce rapidity?
Say ruh-PID-uh-tee. The American pronunciation is /rəˈpɪdəti/. In British English it is /rəˈpɪdəti/. Press play above to hear it at normal speed or slowly.
How many syllables are in rapidity?
Rapidity has four syllables, and the main stress falls on the second one (PID). Broken into parts: ruh · PID · uh · tee.
Is rapidity pronounced differently in British English?
Yes. Americans usually soften the t in the middle into a quick d-like tap; British speakers keep a crisp t. The British form is /rəˈpɪdəti/ (ruh-PID-uh-tee).