16-letter words containing t, h, y, o
- lonely hearts ad — an advertisement placed by someone who is trying to find a lover or a friend
- macrophotography — Photography that is done up close; close-up photography.
- magnetochemistry — the study of magnetic and chemical phenomena in their relation to one another.
- make a photocopy — If you make a photocopy of a document, you make a copy of it using a photocopier.
- many-plumed moth — a moth of the species, Alucita hexadactyla
- mechanochemistry — the field of chemistry that deals with the direct conversion of chemical into mechanical energy.
- medieval history — the branch of history dealing with the Middle Ages
- megaphanerophyte — any tree with a height over 30 metres
- methodologically — a set or system of methods, principles, and rules for regulating a given discipline, as in the arts or sciences.
- methyl cellulose — a grayish-white powder prepared from cellulose that swells to a highly viscous colloidal solution in water: used as a food additive and in water paints, leather tanning, and cosmetics.
- methyl parathion — a synthetic pesticide, C 8 H 1 0 NO 5 PS, used in the control of mites and various insects, as aphids, boll weevils, and cutworms.
- methylene iodide — a yellow liquid, CH 2 I 2 , soluble in alcohol and ether: used for the separation of mixtures of minerals and in organic synthesis.
- methylthioninium — (organic chemistry, especially in combination) The heterocyclic cation 3,7-bis(dimethylamino)-phenothiazin-5-ium, that is the basis of methylene blue.
- microgametophyte — (biology) Any gametophyte that develops from a microspore.
- microphotography — microfilm (def 1).
- military honours — ceremonies performed by troops in honour of royalty, at the burial of an officer, etc
- misanthropically — In a misanthropic manner.
- mnemotechnically — In a mnemotechnic manner; using mnemotechny.
- mobility housing — houses designed or adapted for people who have difficulty in walking but are not necessarily chairbound
- modern synthesis — a consolidation of the results of various lines of investigation from the 1920s through the 1950s that supported and reconciled the Darwinian theory of evolution and the Mendelian laws of inheritance in terms of natural selection acting on genetic variation.
- monochromaticity — of or having one color.
- monotheistically — In a monotheistic manner.
- month of sundays — a long time
- mothering sunday — Laetare Sunday.
- mount erymanthus — a mountain in SW Greece, in the NW Peloponnese. Height: 2224 m (7297 ft)
- national holiday — a holiday that is observed throughout a nation.
- natural theology — theology based on knowledge of the natural world and on human reason, apart from revelation.
- neo-christianity — any interpretation of Christianity based on the prevalent philosophy of a given period.
- neuroarthropathy — (medicine) Any disease of a joint that is associated with a disease of the nervous system.
- neuropsychiatric — Of or pertaining to neuropsychiatry; simultaneously neurological and psychiatric.
- non-carbohydrate — any of a class of organic compounds that are polyhydroxy aldehydes or polyhydroxy ketones, or change to such substances on simple chemical transformations, as hydrolysis, oxidation, or reduction, and that form the supporting tissues of plants and are important food for animals and people.
- non-metaphysical — pertaining to or of the nature of metaphysics.
- northanger abbey — a novel (1818) by Jane Austen.
- opportunity shop — a shop selling second-hand goods for charitable funds
- order of the day — the agenda for an assembly, meeting, group, or organization.
- ornithologically — In terms of ornithology.
- orthodoxy sunday — a solemn festival held on the first Sunday of Lent (Orthodoxy Sunday) commemorating the restoration of the use of icons in the church (a.d. 842) and the triumph over all heresies.
- orthographically — In an orthographical manner; using proper spelling, capitalization and grammar.
- orthosympathetic — Of or pertaining to the sympathetic component of the autonomic nervous system.
- osteoarchaeology — the branch of archaeology that deals with the study of bones found at archaeological sites
- out of the money — If an investment is out of the money, it would be a loss if it was sold.
- ovshinsky effect — an effect that turns special types of glassy, thin films into semiconductors upon application of low voltage.
- oxycalcium light — calcium light.
- part way through — mid-way; before the end
- pay-as-you-throw — denoting a system for waste collection in which households are charged according to the amount of refuse they leave
- phagocytic index — the average number of bacteria ingested per phagocyte in an incubated mixture of bacteria, phagocytes, and blood serum: used in determining the opsonic index.
- pheochromocytoma — a tumor of the sympathetic nervous system or adrenal medulla, that produces excess norepinephrine and epinephrine and causes hypertension, headaches, nausea, etc.
- photoelectricity — electricity induced by electromagnetic radiation, as in certain processes, as the photoelectric and photovoltaic effects, photoconductivity, and photoionization.
- photoelectrotype — an electrotype made by photographic means.
- photolithography — the technique or art of making photolithographs.