19-letter words containing a, c, h, i, l, s
- spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.
- stochastic variable — a random variable.
- sweetheart neckline — a neckline on a woman's garment, as a dress, with a high back and a low-cut front with two curved edges resembling the conventionalized shape of a heart.
- switchblade (knife) — a large jackknife that snaps open when a release button on the handle is pressed
- teaching fellowship — a fellowship providing a student in a graduate school with free tuition and expenses and stipulating that the student assume some teaching duties in return.
- technical institute — a higher-education institution
- the compassion club — (in Canada) a nonprofit organization that provides uncontaminated cannabis for medical purposes and natural therapies in a safe environment
- the middle distance — an unspecified point in the distance
- the social register — a directory, now published annually, of the families who are considered to form the country's social élite
- theological virtues — one of the three graces: faith, hope, or charity, infused into the human intellect and will by a special grace of God.
- theoretical physics — abstract use of physics
- trahison des clercs — a compromising of intellectual integrity, esp. for political reasons
- tubular steel chair — a chair with a frame made of tubular steel
- ultramicrochemistry — the branch of microchemistry dealing with minute quantities of material weighing one microgram or less.
- vesicular exanthema — an infectious viral disease of swine, characterized by blisters on the snout, mucous membranes, and feet.