13-letter words containing m, i, s, o, r
- time exposure — a long exposure in which the shutter is opened and closed by hand or by a mechanism other than the automatic mechanism of the shutter.
- timothy grass — a coarse grass, Phleum pratense, having cylindrical spikes, used as fodder.
- to stand firm — If someone stands firm, they refuse to change their mind about something.
- toastmistress — a woman who presides at a dinner, introduces the after-dinner speakers, and often proposes toasts.
- topochemistry — the study of reactions that only occur at specific regions in a system
- topoisomerase — any of a class of enzymes that control the coiling of DNA molecules
- trade mission — commercial business trip
- transcriptome — a collection of all the messenger RNA in a particular cell
- transmisogyny — discrimination or prejudice against transgender women.
- transmountain — across or through a mountain or mountains
- transmutation — the act or process of transmuting.
- treponemiasis — infection with treponema; syphilis.
- trichromatism — the quality or condition of being trichromatic.
- trophotropism — the response by an organism or cell to, or the movement of an organism or cell towards or away from, an external source of nutrition
- tumorigenesis — the production or development of tumors.
- twitter storm — a message on the Twitter website which attracts a significant amount of attention from other Twitter users and may be picked up by mainstream media
- umbelliferous — bearing an umbel or umbels.
- unceremonious — discourteously abrupt; hasty; rude: He made an unceremonious departure in the middle of my speech.
- uncompromised — unable to function optimally, especially with regard to immune response, owing to underlying disease, harmful environmental exposure, or the side effects of a course of treatment.
- uncustomarily — according to or depending on custom; usual; habitual.
- unmeritorious — deserving praise, reward, esteem, etc.; praiseworthy: to receive a gift for meritorious service.
- unpromisingly — in a manner that is not showing any promise of favourable development or future success
- ventriloquism — the art or practice of speaking, with little or no lip movement, in such a manner that the voice does not appear to come from the speaker but from another source, as from a wooden dummy.
- violent storm — Meteorology. storm (def 3).
- vivisectorium — the location where vivisection takes place
- w3 consortium — World Wide Web Consortium
- wearisomeness — causing weariness; fatiguing: a difficult and wearisome march.
- west bromwich — a city in West Midlands, in central England, near Birmingham.
- whoremistress — a female owner or keeper of a brothel
- wireless room — a room on a premises, on a ship, etc where radio equipment is installed
- words fail me — I am too happy, sad, amazed, etc, to express my thoughts
- worrisomeness — The property of being worrisome.
- xanthochroism — a condition in certain animals, esp aquarium goldfish, in which all skin pigments other than yellow and orange disappear
- yestermorning — yesterday morning.
- zero-emission — A zero-emission vehicle does not produce any dangerous gases.
- zoosporangium — a sporangium or spore case in which zoospores are produced.