15-letter words containing r, e, p, o, l, a
- spermatoblastic — relating to a spermatoblast
- spiral notebook — a notebook held together by a coil of wire passed through small holes punched at the back edge of the covers and individual pages
- splanchnopleure — the double layer formed by the association of the lower layer of the lateral plate of mesoderm with the underlying entoderm, which develops into the embryonic viscera.
- stereotypically — in a stereotypical manner
- strephosymbolia — a condition of perceiving objects as their mirror image and, specifically, having difficulty in distinguishing letters in words
- streptobacillus — any of various bacilli that form in chains.
- subperiosteally — the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer capable of forming bone.
- subprofessional — being below professional standards: subprofessional health care.
- sulphinpyrazone — a uricosuric drug with molecular formula C23H20N2O3S, used in the treatment of chronic gout
- superexaltation — extreme or supreme exaltation; the act of superexalting; the process or condition of being superexalted
- superior planet — any of the five planets whose orbits are outside the orbit of the earth, namely, the planets Mars, Jupiter, Saturn, Uranus, and Neptune.
- tablet computer — a number of sheets of writing paper, business forms, etc., fastened together at the edge; pad.
- talcum (powder) — a powder for the body and face made of powdered, purified talc, usually perfumed
- telephotography — photography of distant objects, using a telephoto lens.
- thalassographer — a person who studies the sea; an oceanographer
- thalassotherapy — the use of sea water and marine products as a therapeutic treatment
- the other place — (at Oxford University) Cambridge University
- tobacco planter — a tool that was formerly used by tobacco farmers to plant tobacco with
- total depravity — the Calvinist doctrine that humankind's entire nature, including its reason, is corrupt or sinful as a result of the Fall and that people are therefore completely dependent on God for regeneration.
- trifluoperazine — a compound, C 21 H 24 F 3 N 3 S, used as an antipsychotic.
- two-star petrol — leaded petrol that has a low octane number; inferior leaded petrol
- ultramicroscope — an instrument that uses scattering phenomena to detect the position of objects too small to be seen by an ordinary microscope.
- umbrella policy — An umbrella policy is a policy that provides excess limits and gives additional excess coverage over the normal limits and coverage of liability policies.
- una corda pedal — soft pedal (def 1).
- uncomplementary — forming a complement; completing.
- uncomplimentary — of the nature of, conveying, or expressing a compliment, often one that is politely flattering: a complimentary remark.
- uncompromisable — that cannot or should not be compromised
- uncooperatively — in an uncooperative or unhelpful manner
- uncopyrightable — not able to be copyrighted
- underpopulation — having a population lower than is normal or desirable.
- unleaded petrol — petrol containing a reduced amount of tetraethyl lead
- unpronounceable — to enunciate or articulate (sounds, words, sentences, etc.).
- unsportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- upper arlington — a city in central Ohio, near Columbus.
- upperclasswoman — An upperclasswoman is a junior or senior student in a high school, college, or university.
- upwardly mobile — See under vertical mobility (def 1).
- vine phylloxera — a homopterous insect, Phylloxera vitifolia, typically feeding on vine juices
- water pollution — the pollution of the sea and rivers
- west hartlepool — a former borough, now part of Hartlepool, in Cleveland County, in NE England, at the mouth of the Tees.
- xenotransplants — Plural form of xenotransplant.
- xerographically — In a xerographic way; by xerography.
- yorke peninsula — a peninsula in S Australia between Spencer Gulf and the Gulf of St. Vincent. 160 miles (257 km) long and 20–35 miles (32–56 km) wide.
- z-zero particle — one of three particles, called intermediate vector bosons, that are believed to transmit the weak force. Symbol: Z 0.
- zoogeographical — Pertaining to zoogeography.