13-letter words that end in s
- hydroaerobics — aerobic exercises performed in water, as in a swimming pool.
- hydrocephalus — an accumulation of serous fluid within the cranium, especially in infancy, due to obstruction of the movement of cerebrospinal fluid, often causing great enlargement of the head; water on the brain.
- hydrocolloids — Plural form of hydrocolloid.
- hydrodynamics — the branch of fluid dynamics that deals with liquids, including hydrostatics and hydrokinetics.
- hydrokinetics — the branch of hydrodynamics that deals with the laws governing liquids or gases in motion.
- hydrosulfides — Plural form of hydrosulfide.
- hymenopterans — Plural form of hymenopteran.
- hymenopterous — belonging or pertaining to the Hymenoptera, an order of insects having, when winged, four membranous wings, and comprising the wasps, bees, ants, ichneumon flies, and sawflies.
- hyperadenosis — abnormal enlargement of the glands, especially of the lymph nodes.
- hypercautious — Especially or unreasonably cautious.
- hyperhidrosis — abnormally excessive sweating.
- hyperlordosis — Particularly severe lordosis.
- hypersarcosis — a fleshy outgrowth
- hypersurfaces — Plural form of hypersurface.
- hypertensives — Plural form of hypertensive.
- hypertrophies — Plural form of hypertrophy.
- hypertrophous — relating to hypertrophy
- hypnoanalysis — a method of psychoanalysis in which a patient is put into hypnosis in an attempt to secure analytic data, free associations, and early emotional reactions.
- hypochlorites — Plural form of hypochlorite.
- hyposulfurous — of or derived from hyposulfurous acid.
- hypotheticals — Plural form of hypothetical.
- hysteranthous — relating to a plant whose flowers open before its leaves
- hysterotomies — Plural form of hysterotomy.
- ichthyosaurus — ichthyosaur.
- iconographies — Plural form of iconography.
- idealizations — Plural form of idealization.
- identicalness — The state or quality of being identical.
- idiomaticness — Idiomaticity.
- idiot strings — strings attached to children's mittens to prevent the wearer from losing them
- iguassu falls — a waterfall on the Iguassú River, on the boundary between Brazil and Argentina. 210 feet (64 meters) high.
- illegitimizes — illegitimatize.
- illiberalness — The state of being illiberal; illiberality.
- illogicalness — The quality of being illogical.
- illuminations — Plural form of illumination.
- illustrations — Plural form of illustration.
- image formats — (graphics, file format) There are many formats used to store images in files. GIF, TIFF and JPEG are very common. Others are BIFF, bmp, Clear, FITS, IFF, NFF, OFF, PCX, PNG, TGA, XBM. Some of these are documented on-line at the following sites:
- imaginariness — The state of being imaginary.
- imitativeness — imitating; copying; given to imitation.
- immediateness — The state of being immediate; immediacy.
- immersiveness — The quality or degree of being immersive.
- immovableness — The quality of being immovable.
- immunisations — Plural form of immunisation.
- immunizations — Plural form of immunization.
- immunogenesis — the production of an immune response
- immutableness — The state of being immutable; unchangeableness.
- impactfulness — The quality of being impactful.
- impartialness — The quality of being impartial.
- impassiveness — The state of being impassive.
- impatientness — not patient; not accepting delay, opposition, pain, etc., with calm or patience.
- imperfections — A fault, blemish, or undesirable feature.