iron-on

[ ahy-ern-on, -awn ]
/ ˈaɪ ərnˌɒn, -ˌɔn /

adjective

designed to be applied with heat and pressure, as by an iron: an iron-on patch for pants.

noun

a design, patch, or the like, applied by ironing on.

Origin of iron-on

First recorded in 1955–60; noun use of verb phrase iron on
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019