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Obscuration of the field of vision due to the appearance of a dark spot before the eye.

A disease characterized by livid spots, especially about the thighs and legs, due to extravasation of blood, and by spongy gums, and bleeding from almost all the mucous membranes. It is accompanied by paleness, languor, depression, and general debility. It is occasioned by confinement, innutritious food, and hard labor…

Occurring in good time, in due season, or in proper time for the purpose; suitable to the season; opportune; timely; as, a seasonable supply of rain. Mercy is seasonable in the time of affliction. Ecclus. xxxv. 20. -- Sea"son*a*ble*ness, n. -- Sea"son*a*bly, adv.

umor of animals. Sebaceous cyst (Med.), a cyst formed by distention of a sebaceous gland, due to obstruction of its excretory duct. -- Sebaceous glands (Anat.), small subcutaneous glands, usually connected with hair follicles. They secrete an oily semifluid matter, composed in great part of fat, which softens and lubr…

support and aid; a backer; an assistant; specifically, one who acts as another's aid in a duel. Being sure enough of seconds after the first onset. Sir H. Wotton.

e time when the bones and the internal organs become involved. -- Secondary tint, any subdued tint, as gray. -- Secondary union (Surg.), the union of wounds after suppuration; union by the second intention.

Induction in a circuit due to the action of one portion of a current upon an adjacent portion during periods of varying current strength. The nature of the induction is such as to oppose the action which produces it.

rene occuring particularly in old people, and caused usually by insufficient blood supply due to degeneration of the walls of the smaller arteries.

Watch; guard. [Obs.] "That princes do keep due sentinel." Bacon.

Tenure of lands of the crown by an honorary kind of service not due to any lord, but to the king only. [Written also serjeanty.] Grand sergeanty, a particular kind of tenure by which the tenant was bound to do some special honorary service to the king in person, as to carry his banner, his sword, or the like. Tomlins.…

Having a silklike luster, usually due to fine, close hairs.

e which in burning gives off a poisonous vapor and leaves a peculiar brown voluminous residue which is expelled in a serpentine from. It is employed as a scientific toy. -- Serpent cucumber (Bot.), the long, slender, serpentine fruit of the cucurbitaceous plant Trichosanthes colubrina; also, the plant itself. -- Serp…

charge a public duty. -- To serve a process (Law), in general, to read it, so as to give due notice to the party concerned, or to leave an attested copy with him or his attorney, or his usual place of abode. -- To serve a warrant, to read it, and seize the person against whom it is issued. -- To serve a writ (Law),…

ilver coin, and is not legal tender, but is receivable for customs, taxes, and all public dues.

A small green and yellow European finch (Spinus spinus, or Carduelis spinus); -- called also aberdevine.

Remiss; backward; not using due diligence or care; not earnest or eager; as, slack in duty or service. The Lord is not slack concerning his promise, as some men count slackness. 2 Pet. iii. 9.

To slip when walking or standing; to fall. Their foot shall slide in due time. Deut. xxxii. 35.

The impure residue, consisting of cocoons, propolis, etc., remaining after the wax is extracted from honeycombs.

Serious or subdued in demeanor, habit, appearance, or color; solemn; grave; sedate. What parts gay France from sober Spain Prior. See her sober over a sampler, or gay over a jointed baby. Pope. Twilight gray Had in her sober livery all things clad. Milton.

consisting chiefly of calcium hydroxide and sulphide, which accumulates as a useless residue or side product in the ordinary Leblanc process of soda manufacture; -- called also alkali waste. -- Soda water, originally, a beverage consisting of a weak solution of sodium bicarbonate, with some acid to cause effervescenc…