A kiln is a high heat oven used for the firing of pottery. I'm not sure if the name of a tool counts as a 'term,' but it does begin with "K." Also, "kinetic" may fit the bill.
the Kenetic molecular theory is about the three states of mater
Kart.
Khartoum
An insect that starts with k is the Khapara Bettle.
kick
Kool-Aid
Kilometro Kilates
Comet Kohoutek
Klein bottle and Kepler-Poinsot polyhedra.
kinetics (also in physics).
Josef Pouli k has written: 'Prehistoric art' -- subject(s): Art, Art, Primitive, Primitive Art
Yes. Theres kilogram, kilometer.....