(ש"ע) זכוכית חסינת-אש, פיירקס

(ש"ע) פיירקס®, סימן מסחרי של זכוכית בעלת עמידות לחום ולחומרים כימיים (משמשת לרוב בכלי מטבח וציוד מעבדות)

n. trademarked brand of heat and chemical-resistant glass (commonly used in kitchenware and laboratory equipment)

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Noun
1. a borosilicate glass with a low coefficient of expansion; used for heat-resistant glassware in cooking and chemistry
(hypernym) glass
(classification) trademark

nm. pyrex, trademarked brand of heat and chemical-resistant glass (commonly used in kitchenware and laboratory equipment)

nf. pyrex