| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| sick-brained | adjective | Disordered in the brain. |
| siderography | noun | The art or practice of steel engraving; especially, the process, invented by Perkins, of multiplying facsimiles of an engraved steel plate by first rolling over it, when hardened, a soft steel cylinder, and then rolling the cylinder, when hardened, over a soft steel plate, which thus becomes a facsimile of the original. The process has been superseded by electrotypy. |
| sightfulness | noun | The state of being sightful; perspicuity. |
| sight-seeing | adjective | Engaged in, or given to, seeing sights; eager for novelties or curiosities., The act of seeing sights; eagerness for novelties or curiosities. |
| significance | noun | Alt. of Significancy |
| significancy | noun | The quality or state of being significant., That which is signified; meaning; import; as, the significance of a nod, of a motion of the hand, or of a word or expression., Importance; moment; weight; consequence. |
| significator | noun | One who, or that which, signifies. |
| significavit | noun | Formerly, a writ issuing out of chancery, upon certificate given by the ordinary, of a man’s standing excommunicate by the space of forty days, for the laying him up in prison till he submit himself to the authority of the church. |
| siliciferous | adjective | Producing silica; united with silica. |
| siliciureted | adjective | Combined or impregnated with silicon. |
| silviculture | noun | See Sylviculture. |
| simultaneity | noun | The quality or state of being simultaneous; simultaneousness. |
| simultaneous | adjective | Existing, happening, or done, at the same time; as, simultaneous events. |
| sinew-shrunk | adjective | Having the sinews under the belly shrunk by excessive fatigue. |
| sinistrality | noun | The quality or state of being sinistral. |
| sinistrorsal | adjective | Rising spirally from right to left (of the spectator); sinistrorse. |
| sinistrously | adverb | In a sinistrous manner; perversely; wrongly; unluckily., With a tendency to use the left hand. |
| sinupalliate | adjective | Having a pallial sinus. See under Sinus. |
| siphonophora | noun pl. | An order of pelagic Hydrozoa including species which form complex free-swimming communities composed of numerous zooids of various kinds, some of which act as floats or as swimming organs, others as feeding or nutritive zooids, and others as reproductive zooids. See Illust. under Physallia, and Porpita. |
| siphonophore | noun | One of the Siphonophora. |
| siphonostome | noun | Any parasitic entomostracan of the tribe Siphonostomata., A siphonostomatous shell. |
| siphorhinian | noun | A siphorhinal bird. |
| sipunculacea | noun pl. | A suborder of Gephyrea, including those which have the body unarmed and the intestine opening anteriorly. |
| siraskierate | noun | See Seraskierate. |
| sixty-fourth | adjective | Constituting or being one of sixty-four equal parts into which a thing is divided. |