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Of, pertaining to, or produced by, parthenogenesis; as, parthenogenetic forms. -- Par`the*no*ge*net"ic*al*ly, adv.

Parthenogenetic.

Same as Parthenogenesis.

A celebrated marble temple of Athene, on the Acropolis at Athens. It was of the pure Doric order, and has had an important influence on art.

One of the Sirens, who threw herself into the sea, in despair at not being able to beguile Ulysses by her songs.

To strengthen again; to fortify anew.

Pertaining to, or containing, ruthenium; specifically, designating those compounds in which it has a higher valence as contrasted with ruthenious compounds.

Pertaining to, or containing, ruthenium; designating those compounds in which it has a lower valence as contrasted with ruthenic compounds.

A rare element of the light platinum group, found associated with platinum ores, and isolated as a hard, brittle steel-gray metal which is very infusible. Symbol Ru. Atomic weight 103.5. Specific gravity 12.26. See Platinum metals, under Platinum.

See Since. [Obs.]

Since; afterwards. See 1st Sith. [Obs.] Fortune was first friend and sithen foe. Chaucer.

Since. See Sith, and Sithen. [Obs.] Piers Plowman.

See Sithen. [Obs.] Siththen that the world began. Chaucer.

To make smooth. [Obs.]

ls, and characterized by strength and activity of the muscular and nervous system; as, a sthenic fever. Sthenic theory. See Stimulism (a).

To make strong or stronger; to add strength to; as, to strengthen a limb, a bridge, an army; to strengthen an obligation; to strengthen authority. Let noble Warwick, Cobham, and the rest, . . . With powerful policy strengthen themselves. Shak.

One who, or that which, gives or adds strength. Sir W. Temple.

That strengthens; giving or increasing strength. -- Strength"en*ing*ly, adv. Strengthening plaster (Med.), a plaster containing iron, and supposed to have tonic effects.

Oil of turpentine. See Turpentine.

A double benzene and thiophene nucleus, C8H6S, analogous to naphthalene, and like it the base of a large series of derivatives. [Written also thionaphtene.]