18-letter words containing g, p, f
- seafloor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
- self-comprehending — to understand the nature or meaning of; grasp with the mind; perceive: He did not comprehend the significance of the ambassador's remark.
- self-deprecatingly — in a self-deprecating manner
- self-disparagement — the act of disparaging.
- self-tapping screw — a screw designed to tap its corresponding female thread as it is driven.
- shatterproof glass — glass designed to resist shattering
- slip of the tongue — If you describe something you said as a slip of the tongue, you mean that you said it by mistake.
- stepping-off place — jumping-off place (def 2).
- sweptwing aircraft — an aircraft which has wings that are swept (usually) backwards
- tip of the iceberg — a large floating mass of ice, detached from a glacier and carried out to sea.
- to plough a furrow — If you say that someone ploughs a particular furrow or ploughs their own furrow, you mean that their activities or interests are different or isolated from those of other people.
- torsion-free group — a group in which every element other than the identity has infinite order.
- transfer passenger — a traveller who changes from one plane, train, or bus to another, or to another form of transport
- visiting professor — a professor from another institution invited to teach at a university or college for a limited period, usually for a semester or one academic year.
- wildlife programme — (esp on television) a documentary whose subject is wild animals in their natural habitat or undomesticated fauna and flora generally