Sealing wax is hot wax dripped on a letter and stamped. A blob of sealing wax.
It proved a letter had not been opened, since the seal cannot be lifted whole. Sealing wax is not really wax at all but mostly resin, which is why it snaps.
1nounsealing waxHot wax dripped on a letter and stamped.
“The sealing wax was cracked and the letter had clearly been read.”
sealing wax is a material.
Practised in Materials & Substances