13-Letter Words Containing: M,O,S,S,A,D,_,_

• a motile male gamete of a plant such as an alga or fern or gymnosperm

• loss of bits of outer skin by peeling or shedding or coming off in scales

• skill in fencing

• sadism and masochism combined in one person

• with spasms

• in spurts and fits

• a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process

• 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)