RAY-dahrz
/ˈɹeɪˌdɑɹz/
radars is pronounced RAY-dahrz (/ˈɹeɪˌdɑɹz/). Radars is the plural of radar, referring to multiple radar devices or systems used to detect objects at a distance. In everyday usage, it can also serve as a metonym for radar technology in general. The term blends a scientific noun with a regular plural, voiced with an emphasis on the first syllable.
Radars is the plural of radar, referring to multiple radar devices or systems used to detect objects at a distance. In everyday usage, it can also serve as a metonym for radar technology in general. The term blends a scientific noun with a regular plural, voiced with an emphasis on the first syllable.
- Watch the final consonant: many learners say /ˈreɪ.dɑːs/ with voiceless /s/; practice adding voiced /z/ with a steady air release. - Don’t merge /d/ and the vowel: ensure a clear /d/ release before /ɑː/. - Avoid over-raising or reducing the second syllable; keep /dɑːr/ as a clean onset to the final /z/.
"The coastal town installed new radars to monitor approaching ships."
"Air traffic control uses multiple radars to track aircraft positions."
"Military bases often deploy portable radars for quick reconnaissance."
Pronounce as two syllables with primary stress on the first: /ˈreɪ.dɑːrz/ (US) or /ˈreɪ.dɑːz/ (UK, some speakers). Start with the long A in 'ra' like 'ray', then an open 'da' as in 'dah', and end with a voiced 'rz' cluster. Your mouth closes gently for /d/ then the /ɑː/ vowel sits low in the mouth; finish with /rz/—the z is a clear voiced alveolar fricative. Listen for the final voiced z rather than a voiceless /s/.
Common errors: 1) Not voicing the final /z/ (ending as /s/). 2) Reducing the second syllable to /ɚ/ or a schwa. 3) Misplacing the /d/—pronouncing /dr/ cluster awkwardly. Correct by ensuring /d/ ends clearly before /ɑː/ and the final sonority is voiced /z/. Practice the sequence: /ˈreɪ./ + /dɑːrz/ with a crisp stop before the rhotacized final.
In US English, /ˈreɪ.dɑːrz/ with a full rhotic /ɹ/ and final /rz/. In UK English, many speakers produce /ˈreɪ.dɑːz/ with a non-rhotic or weaker final /z/, often closer to /z/ but slightly devoiced in rapid speech. Australian English tends toward /ˈɹeɪ.dɑːz/ with a more centralized or reduced final vowel and a clear, voiced final consonant, though some speakers pull the vowel slightly toward /æ/ in casual speech. Overall, final consonant voicing and rhoticity influence perception more than large vowel shifts.
The difficulty lies in the final consonant cluster /rz/, which requires a rapid, voiced alveolar fricative following the vowel and a precise /d/ before the vowel onset. Non-native speakers often devoiced the final /z/ or merge /ɑː/ with a shorter vowel. The onset /ˈreɪ/ often carries strong lip rounding and a tense open-mid back vowel; maintaining breath support through the cluster helps avoid a clipped or flattened ending.
Yes. The word strongly favors a trochaic pattern: strong-weak. The first syllable receives primary stress, and the final /z/ is clearly voiced to maintain natural plural cadence. The tricky part is stabilizing the /ɑː/ vowel and ensuring the /d/ releases cleanly before the rhotic or alveolar fricative, depending on accent. Mastery comes from practicing the transition between /d/ and /ɑː/ and keeping the final /z/ audible rather than lisping into /s/.
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- US: /ˈreɪ.dɑːɹz/ with rhotic /ɹ/ and a clearly voiced final /z/. Ensure the /ɑː/ is open and long. - UK: /ˈreɪ.dɑːz/ or /ˈreɪ.dɑːs/ with a shorter final vowel and possible devoicing of final /z/ in casual speech; keep lip rounding moderate. - AU: /ˈɹeɪ.dɑːz/ with a more centralized /ɹ/ and a bright, full final /z/. Emphasize consistent /z/ to avoid listener confusion.
Radar is an acronym from Radio Detection And Ranging, coined in the 1940s during development of radar technology. The root word radar emerged from the combination of ‘radio’ (referring to radio waves), ‘detection’ (measuring presence of objects), and ‘ranging’ (determining distance). The term gained immediate traction in military and scientific communities and entered general use as a mass noun. The plural radars simply adopts the regular English plural -s formation, but when spoken, the /z/ ending can cause slight assimilation depending on surrounding sounds. In usage, radars typically appears as a count noun (radars) when multiple devices are implied, and as radar in singular form when referring to the technology in general or a system collectively. First known written uses appear in mid-20th century technical reports and manuals, with broad adoption in aviation and defense literature by the 1950s and pervasive by the late 20th century as civil and commercial radar systems expanded.
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💡 These words have similar meanings to "radars" and can often be used interchangeably.
🔄 These words have opposite meanings to "radars" and show contrast in usage.
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Words that rhyme with "radars"
-ars sounds
-ers sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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