Interference is the act or process by which something hinders, obstructs, or introduces disruption—often in signals, communications, or interactions. It can refer to physical obstacles, noisy disruptions in equipment, or social obstacles that affect outcomes. In engineering, it denotes unwanted signals that distort desired information, whereas in everyday use it can describe any impediment that disrupts smooth operation or understanding.
"Electromagnetic interference can disrupt satellite communications."
"There is a lot of interference from traffic noise during the interview, making it hard to hear."
"The coach warned that any emotional interference would affect the team's focus."
"In math, interference patterns arise when waves combine to amplify or cancel each other."
Interference comes from the combination of the Latin prefix inter- meaning 'between' or 'among' and ferire, derived from ferre meaning 'to carry' or 'to bear' in Latin. The term evolved in scientific contexts in the 19th century, particularly within physics and engineering, to describe the effect when two or more waves overlap and alter each other’s amplitude. In English, the noun form first appears in the late 19th to early 20th century as technology and telecommunication systems expanded, leading to frequent references to signal disruption. Over time, “interference” broadened to describe any impediment or distraction in diverse domains—social, cognitive, and environmental—while retaining its core sense of an external factor that disrupts a process or outcome. The word’s evolution mirrors the shift from a precise technical term to a common term used in everyday discussion of obstacles and disruptions.
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💡 These words have similar meanings to "Interference" and can often be used interchangeably.
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Words that rhyme with "Interference"
-nce sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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Pronounce as in-tuh-FEER-uhns (US) or in-tuh-FIR-uhns (UK). The primary stress is on the third syllable -FER-, with a clear secondary stress on the first syllable and a reduced final -ence. IPA: US /ˌɪn.təˈfɪər.əns/; UK /ˌɪn.təˈfɒː.rəns/; note variation: /ˌɪn.təˈfɪə.rəns/ in some accents. Keep the lips rounded for FEER, then relax toward -əns to finish.
Common errors: 1) Misplacing stress by stressing the first syllable (IN-ter-ference) which sounds like a verb form; 2) Merging the -er- into a quick schwa without lips rounding for FEER, producing /ˌɪn.təˈfɪə.rəns/; 3) Dropping the final -ence or making it sound like -ence as /-əns/ without proper t- or d- linking. Corrections: emphasize -FER- with a brief /fɪə/ diphthong and finish with a clear /ns/ or /nz/ depending on accent. Practice: /ˌɪn.təˈfɪə.rəns/ (US) vs /ˌɪn.təˈfɒː.rəns/ (UK).
In US English, expect /ˌɪn.təˈfɪər.əns/ with an rhotacized ending /r/ in many dialects and a clear FEER- sound. UK pronunciation tends to /ˌɪn.təˈfɒː.rəns/ with a shorter, flatter /ɒː/ vowel and non-rhoticity; AU mirrors rhotic tendencies but often has a slightly tighter /ˈɪn.təˈfɜː.rəns/ in some regions. The key differences are vowel quality of the stressed syllable and the rhoticity of the final syllable; US typically rhotic, UK often non-rhotic or folded, AU variable but often closer to UK with regional variation.
Two main challenges: a) the medial -fer- sequence requires a tense, rounded /fɪər/ or /fə/ vowel cluster that contrasts with a quick schwa; b) the final -ence /-ən(t)s/ can be reduced or elided in fast speech, obscuring the stomps of /r/ and /s/ at the end. Learners often apply the stress too early or merge syllables, producing /ˌɪnˈtərˌfɪrəns/. Focusing on accurate vowel length, rounding for FEER, and keeping the final /ns/ crisp helps stabilize pronunciation.
A unique concern with interference is the separation of the two adjacent voiced consonant cluster /n/ and /t/ when the prefix inter- ends with /n/ and the root begins with /t/. You’ll hear a subtle boundary: /ɪn.tə/ + /ˈfɪər/; ensure you don’t merge these into a single rapid sequence. Practicing with minimal pairs focusing on syllable boundary clarity reinforces the break: /ˌɪn.tə/ + /ˈfɪər/.
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