(mineralogy) An orthorhombic-pyramidal mineral containing calcium, hydrogen, oxygen, and silicon.

The crest of a hill

Alternative form of HillaryCare

Alternative form of HillaryCare

Alternative form of HillaryCare

The skills related to outdoor survival in a hilly habitat.

plural of Hillel sandwich

An Ashkenazi sandwich made with matzo and either horseradish or lettuce, a modern attempt at complying with a food requirement in the Haggadah.

(biology) A specialized part of the soma of a neuron that connects to the axon. It is the last site in the soma where membrane potentials propagated from synaptic inputs are summated before being transmitted to the axon.

plural of hillcrest