Glass is a hard, brittle substance formed from silica and other additives, used for windows, containers, and art. It is typically transparent or translucent and can be molded or blown into various shapes. The term also refers to a drinking vessel made of this material, and in metaphorical use it denotes a fragile barrier or a mirror-like surface.
US: /ɡlæs/ with a crisp /æ/; short vowel; less vowel length; rhoticity not affecting this word. UK: possibly broader vowel, sometimes /glɑːs/ regionally; keep final /s/ clear. AU: /ɡlæs/ or /ɡləːs/ depending on region; watch vowel width, many speakers have a mid-central or slightly open /æ/ or /ɑː/, but most still keep final /s/ voiceless. IPA references: US /ɡlæs/, UK /glɑːs/ or /glæs/, AU /ɡlæs/. Accent tip: practice with minimal pairs like “glass” vs “class” to reinforce vowel quality and /s/ clarity.
"The window pane is made of glass and lets in light."
"She clinked her glass against mine in a toast."
"The glass shatters when dropped on the floor."
"A glass of water sat beside the lamp on the table."
Glass comes from the Old English word glæs, related to glæswebb (a glassmaker) and glæsan (to shine), with roots in Proto-Germanic glêsan and Proto-Indo-European *gel- meaning ‘to shine’ or ‘to glass, to fix.’ The modern word developed in Middle English as glasse, referring to the material and its translucent quality. The earliest manufacturing mention in English literature appears in the 7th–9th centuries in household items and vessels. Over time, the meaning broadened from the material itself to the vessel made from it, and eventually to the substance used in windows, mirrors, and laboratory apparatus. The sense of transparency and fragility contributed to metaphorical uses like “glass ceiling.” The term’s evolution tracks with technological advances in glassmaking, including lead glass and blown glass techniques in medieval Europe, and later industrial-era innovations that standardized glass production and distribution. Throughout history, glass remained both a functional material and a canvas for artistic and architectural expression, cementing its broad semantic reach from everyday object to metaphor.
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💡 These words have similar meanings to "Glass" and can often be used interchangeably.
🔄 These words have opposite meanings to "Glass" and show contrast in usage.
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Words that rhyme with "Glass"
-ass sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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Pronounce as /ɡlæs/ in US and UK, with a short, lax front vowel. The initial /ɡ/ is a hard g, then /l/ touches the alveolar ridge, followed by a short /æ/ as in cat, and final /s/ voiceless sibilant. In Australia, you’ll hear a similar /ɡlæs/ but with slightly broader vowel in some regions. Keep the tongue high near the hard palate for clarity, and avoid an extra vowel after the /æ/ that makes it sound like ‘glace.’ Audio reference: listen to native speakers saying /ɡlæs/ in everyday contexts.
Common mistakes include pronouncing with an unnecessary pause between /ɡ/ and /l/ (g-l separation), and elongating the vowel to /æː/ or turning it into /eɪ/ like ‘glass-e’. Some learners replace /l/ with a light /w/ or insert an extra schwa after /l/ (gləss). Correction: keep the /gl/ cluster tight; produce a single, brisk nucleus /æ/ without overt vowel length; finish with a crisp /s/. Practice by saying /ɡlæs/ in a saturated, quick burst.
US: /ɡlæs/, short lax /æ/; UK: often /glɑːs/ or /glæs/ depending on region, with more open vowel and non-rhoticity typically not affecting the word itself; AU: /ɡlæs/ or /ɡləːs/ in some regions, with a slightly broader vowel in some speakers. The main variation is vowel quality: straight /æ/ vs. broader /ɑː/; rhoticity is less relevant for this word. Final /s/ remains voiceless in all. Listen to regional recordings to notice subtle shifts in mouth position and tongue height.
The challenge lies in the tight onset /gl/ cluster and the short, lax /æ/ vowel, which can be darkened or altered by surrounding consonants or syllable stress. Learners may add a schwa after /l/ or mispronounce /æ/ as /eɪ/. Also, some speakers produce a subtle /z/ where the /s/ should be unvoiced due to coarticulation. Focus on crisp /g/ release, immediate /l/ contact, pure /æ/ nucleus, and a clean final /s/.
No- the pronunciation remains /ɡlæs/ in both senses. The context changes only the meaning, not the phonetics. The word binds with different phrases (glass ceiling vs. drinking glass, glass window), but you keep the same vowel quality and final /s/. Distinguish by surrounding sounds and sentence stress, not by changing the core pronunciation.
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