11-Letter Words Containing: H,E,P,S,T,E,R

• spherical deep diving apparatus (lowered by a cable) for underwater exploration

• An experiential learning opportunity, usually offered by a school, similar to an internship, but generally shorter in duration.

• An inosilicate that is an orthorhombic pyroxene.

• the intensely luminous surface of a star (especially the sun)

• an altimeter that uses the boiling point of water to determine land elevation