Pyroceram means: A brand name for a specific type of glass-ceramic material developed by Corning in the 1950s - the same technology that underlies Corex and CorningWare. Used colloquially in the US as a generic. There is no real cause for parental concern; it is descriptive vocabulary rather than risky behaviour. If your teen uses it, context will usually make the intent clear. A short, curious question about where they heard it is usually all that is needed to know whether to follow up.
pyroceram
A brand name for a specific type of glass-ceramic material developed by Corning in the 1950s — the same technology that underlies Corex and CorningWare.
Definitions
#1·Apr 28, 2026
A brand name for a specific type of glass-ceramic material developed by Corning in the 1950s — the same technology that underlies Corex and CorningWare. Used colloquially in the US as a generic term for heat-resistant glass or Pyrex-like cookware. The word is more specific than 'Pyrex' but used interchangeably in everyday American speech.
She grabbed the pyroceram baking dish and slid it straight from the freezer into the oven.
Origin: Brand name from Corning: 'pyro' (fire, from Greek 'pyr') + 'ceram' (ceramic); a proprietary glass-ceramic material. Editorial expansion authored on Slangora.
For parents
Pyroceram means: A brand name for a specific type of glass-ceramic material developed by Corning in the 1950s - the same technology that underlies Corex and CorningWare. Used colloquially in the US as a generic. There is no real cause for parental concern; it is descriptive vocabulary rather than risky behaviour. If your teen uses it, context will usually make the intent clear. A short, curious question about where they heard it is usually all that is needed to know whether to follow up.
For ESL learners
pyroceram means: A brand name for a specific type of glass-ceramic material developed by Corning in the 1950s - the same technology that underlies Corex and CorningWare. Used colloquially in the. Register: neutral, standard English. A common learner mistake is using the word in a register it does not fit, or assuming a single global meaning; native speakers immediately notice when slang appears in formal contexts, so always check the surrounding register before producing it yourself.
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#2·Apr 27, 2026
(US) a form of pyrex.
Cluster: general
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For specific readers
Why is this section here?
Slang is read by different audiences for very different reasons. The For parents view re-explains the term in plain, non-judgemental language so a caregiver can understand what their child means without needing the surrounding subculture. The For English learners view focuses on register (when it's safe to use), formal alternatives, and common mistakes — what a textbook won't teach you.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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(uncountable, chiefly, _, US, dated) Cheaper and lower-quality ceramic and ceramic tableware, distinguished from porcelain.
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Plates, dishes and other relatively flat crockery.