Defn: The husband of one's mother by a subsequent marriage.

STEPHANION
Ste*pha"ni*on, n. Etym: [NL., from Gr. (Anat.)

Defn: The point on the side of the skull where the temporal line, or upper edge of the temporal fossa, crosses the coronal suture.

STEPHANITE Steph"an*ite, n. Etym: [So named after the Archduke Stephan, mining director of Austria.] (Min.)

Defn: A sulphide of antimony and silver of an iron-black color and metallic luster; called also black silver, and brittle silver ore.

STEPHANOTIS
Steph`a*no"tis, n. Etym: [NL., fr. Gr.

1. (Bot.)

Defn: A genus of climbing asclepiadaceous shrubs, of Madagascar, Malaya, etc. They have fleshy or coriaceous opposite leaves, and large white waxy flowers in cymes.

2. A perfume said to be prepared from the flowers of Stephanotis floribunda.

STEPLADDER
Step"lad`der, n.