13-Letter Words Containing: I,R,T,H,D,O,M

• surgical removal of the thyroid gland

• of or concerned with thermodynamics

• one having both male and female sexual characteristics and organs; at birth an unambiguous assignment of male or female cannot be made

• of animal or plant; having both male female reproductive organs

• Any of many marine worms, of the phylum Hemichordata, that have a primitive notochord

• a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision)

• a radioactive transuranic element which has been synthesized

• Of, or relating to mitochondria.

• an organelle containing enzymes responsible for producing energy