fiberglass
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1fi·ber·glass

noun \-ˌglas\

Definition of FIBERGLASS

1
: glass in fibrous form used in making various products (as glass wool for insulation)
2
: a composite structural material of plastic and fiberglass

First Known Use of FIBERGLASS

1937

2fiberglass

transitive verb

Definition of FIBERGLASS

: to protect or repair by applying fiberglass

First Known Use of FIBERGLASS

1967

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