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Definitions

silicone

[sil-i-kohn] / ˈsɪl ɪˌkoʊn /
NOUN
lubricant
Synonyms
STRONGEST
STRONG
WEAK
WD40™


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

These include PFAS—or perfluoroalkyl and polyfluoroalkyl substances—to repel water and stains, formaldehyde-releasing resins to resist wrinkles, biocides to control odor, silicone softeners and dyes.

From The Wall Street Journal ● Sep. 24, 2026

Another reader stores leftovers and produce in Mason jars or reusable silicone bags instead of disposable zip-top bags.

From MarketWatch ● Jul. 7, 2026

Inspired by her family’s produce, she cast real corn, strawberries and cherries in plaster, then made a silicone mold to create copies.

From Los Angeles Times ● Jul. 1, 2026

Scientists have identified surprisingly high levels of a little-known silicone pollutant in the atmosphere, raising new questions about possible risks to human health and the climate.

From Science Daily ● May 13, 2026

The mask was a silicone rubber North respirator mask with a Lexan faceplate, for good visibility, and the purple filters were the kind that stop a virus.

From "The Hot Zone" by Richard Preston

Many silicon-derived materials used in concrete, glass, ceramics, semiconductors, and silicones require high temperatures, large amounts of energy, and intensive chemical processing to produce.

From Science Daily ● Sep. 19, 2026

The general consensus is that while any product can be marked “clean,” a true clean product avoids the use of ingredients like parabens, sulfates, silicones, phthalates, and synthetic fragrances.

From Slate ● Feb. 5, 2019

All five options are vegan and none contains sulphates, silicones, parabens or toxic dyes.

From The Guardian ● Jul. 15, 2017

Months of contract talks failed to reach an agreement with the workers who produce silicones and other materials used in a variety of industries.

From Washington Post ● Nov. 2, 2016

She learned, from women who posted long instructions, to avoid shampoos with silicones, to use a leave-in conditioner on wet hair, to sleep in a satin scarf.

From "Americanah" by Chimamanda Ngozi Adichie


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