13-letter words containing a, r, o, y, s
- 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.
- hydrodynamics — the branch of fluid dynamics that deals with liquids, including hydrostatics and hydrokinetics.
- hydrostatical — Alternative form of hydrostatic.
- hydrosulphate — a salt formed by the direct union of sulfuric acid with an organic base, especially an alkaloid, and usually more soluble than the base.
- hymenopterans — Plural form of hymenopteran.
- hyperadenosis — abnormal enlargement of the glands, especially of the lymph nodes.
- hypercautious — Especially or unreasonably cautious.
- hypermegasoma — gigantism.
- hyperpersonal — Very highly personal.
- hyperprosexia — a condition in which the whole attention is occupied by one object or idea to the exclusion of others
- hypersarcosis — a fleshy outgrowth
- hypsometrical — Of or pertaining to hypsometry.
- hypsophyllary — relating to a hypsophyll
- hysteranthous — relating to a plant whose flowers open before its leaves
- ichthyosaurus — ichthyosaur.
- idiosyncratic — pertaining to the nature of idiosyncrasy, or something peculiar to an individual: The best minds are idiosyncratic and unpredictable as they follow the course of scientific discovery.
- impersonality — absence of human character or of the traits associated with the human character: He feared the impersonality of a mechanized world.
- improvisatory — of, relating to, or characteristic of an improvisation or improvisator.
- insupportably — In an insupportable manner.
- intravenously — through or within a vein. Abbreviation: IV.
- investigatory — to examine, study, or inquire into systematically; search or examine into the particulars of; examine in detail.
- isoamyl group — the univalent group C 5 H 11 .
- isobathytherm — a line on a chart or diagram of a body of water, connecting depths having the same temperature.
- isometrically — of, relating to, or having equality of measure.
- jefferson day — April 13, Thomas Jefferson's birthday, a legal holiday in Alabama, sometimes celebrated by the Democratic Party by the holding of fund-raising dinners.
- justificatory — serving to justify; providing justification.
- keratinocytes — Plural form of keratinocyte.
- keratomycosis — Fungal infection of the cornea.
- labour supply — the total number of hours that workers are willing and able to be paid wages to work for
- lady mayoress — the wife of a lord mayor
- laryngologist — A person who studies or specializes in laryngology; a subspeciality of otorhinolaryngology.
- laryngoscopes — Plural form of laryngoscope.
- laryngoscopic — Of or pertaining to laryngoscopy.
- laryngotomies — Plural form of laryngotomy.
- lavatory seat — the part on a toilet or lavatory which can be moved up or down and which is used for sitting on
- lonely hearts — of or for people seeking counseling or companionship to bring love or romance into their lives: a lonely-hearts column in the newspaper.
- lonely-hearts — of or for people seeking counseling or companionship to bring love or romance into their lives: a lonely-hearts column in the newspaper.
- lord's prayer — the, the prayer given by Jesus to His disciples, and beginning with the words Our Father. Matt. 6:9–13; Luke 11:2–4.
- lycanthropous — Lycanthropic.
- lymphosarcoma — a malignant tumor in lymphatic tissue, caused by the growth of abnormal lymphocytes.
- macrodynamics — Large-scale dynamics.
- mariposa lily — any lily of the genus Calochortus, of the western U.S. and Mexico, having tuliplike flowers of various colors.
- mark my words — If you say 'mark my words' to someone, you are emphasizing that something you have just warned them about is very likely to happen, especially when you think they should change their attitude or behaviour to prevent it.
- martyrologies — Plural form of martyrology.
- master policy — a single policy covering a group of people, typically employees of a company, issued to an employer.
- mayor's court — a city court presided over by a mayor.
- megasporocyte — a diploid cell in plants that undergoes meiosis to create four haploid megaspores.
- melrose abbey — a ruined Cistercian abbey in Melrose in Scottish Borders: founded in 1136 and sacked by the English in 1385 and 1547: repaired in 1822 by Sir Walter Scott
- microanalyses — Plural form of microanalysis.
- microanalysis — Chemistry. the analysis of very small samples of substances.