Zealant n. : One who is zealous; a zealot; an enthusiast.

Example:


Taxonomy
Sealants, substrates, adhesives, elongation, free encyclopedia, assembly, application, Dental sealant, Pipe Thread Sealants, Adhesive Sealants, Concrete Sealants, barrier, aerospace industries, Construction Sealants, Dental Sealants, Foam Sealants, Tyre Sealants, Urethane Sealants.

Defination from the web:
sealant is a viscous material that changes state to become solid, once applied, and is used to prevent the penetration of air, gas, noise, dust, ... Since the main objective of a sealant is to seal assemblies and joints, sealants need to have sufficient adhesion to the substrates and ...