microwave-safe

Won't melt inside

Microwave-safe describes containers or materials that won't melt, warp, release toxins, or cause sparks when heated in a microwave oven: Check that the container is microwave-safe before reheating.

The designation appears on packaging and dishware.

Metal and some plastics are not microwave-safe.

materials

plastic

Capable of being molded

  • glassTransparent solid from sand
  • ceramicFired clay material
  • PyrexHeat-resistant glassware brand

porcelain · stoneware · silicone · borosilicate · tempered · melamine · polypropylene · container · dish · bowl

reheating

leftovers

Uneaten food kept afterward

splatter · cover · vented · turntable · rotating · wattage · uneven · stirring · lunch · office

hazards

melting

Solid-to-liquid transition

  • warpingBecoming bent or twisted
  • leachingDissolving out by liquid
  • BPASynthetic estrogen in plastics

phthalates · chemicals · toxins · cracking · sparking · overheating · carcinogenic · migration · off-gassing · degradation

labeling

symbol

Representational mark or sign

marking · label · packaging · tested · rated · instructions · manufacturer · guidelines · warning · indicator

Opposites
microwave compatibility

microwave-safemetal

Hard conductive solid

aluminum · metallic · fragile

Family

microwave, safe, micro, wave, waves, waved, waving, wavelet, microbe

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G