17-letter words containing a, b, s, c
- sum and substance — main idea, gist, or point: the sum and substance of an argument.
- sunday observance — the fact of keeping Sunday as a special day when people go to church
- symbolic assembly — (language) An early system on the IBM 705.
- symbolic language — a specialized language dependent upon the use of symbols for communication and created for the purpose of achieving greater exactitude, as in symbolic logic or mathematics.
- the bag of tricks — every device; everything
- the barbary coast — a historic name for the Mediterranean coast of North Africa: a centre of piracy against European shipping from the 16th to the 19th centuries
- the buckeye state — a nickname for Ohio
- the carboniferous — the Carboniferous period or rock system
- transonic barrier — sound barrier.
- tubercle bacillus — the bacterium, Mycobacterium tuberculosis, causing tuberculosis.
- turbosupercharger — (formerly) a turbocharger.
- uncircumscribable — to draw a line around; encircle: to circumscribe a city on a map.
- uncle tom's cabin — an antislavery novel (1852) by Harriet Beecher Stowe.
- uncomfortableness — causing discomfort or distress; painful; irritating.
- unpredictableness — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- working substance — a substance, usually a fluid, that undergoes changes in pressure, temperature, volume, or form as part of a process for accomplishing work.