Educational

soporific

[sop-uh-rif-ik]

causing or tending to cause sleep

bolster

[bohl-ster]

a long, often cylindrical, cushion or pillow for a bed, sofa, etc.

assail

[uh-seyl]

to attack vigorously or violently; assault

dodecahedron

[doh-dek-uh-hee-druhn]

a three-dimensional shape having twelve plane faces, in particular a regular solid figure with twelve equal pentagonal faces

brix

[bri-ks]

a measure (in degrees) of the amount of dissolved solids in a liquid via its specific gravity; used especially to measure dissolved sugar in fruit juice and wine

conduit

[kon-dwit]

a pipe, tube, or the like, for conveying water or other fluid

deleterious

[del-i-teer-ee-uhs]

injurious to health

treatise

[tree-tis]

a formal and systematic exposition in writing of the principles of a subject, generally longer and more detailed than an essay

adroit

[uh-droit]

expert or nimble in the use of the hands or body

penurious

[puh-noor-ee-uhs]

extremely stingy; parsimonious; miserly

obdurate

[ob-doo-rit]

unmoved by persuasion, pity, or tender feelings; stubborn; unyielding

clerestory

[kleer-stawr-ee]

a portion of an interior rising above adjacent rooftops and having windows admitting daylight to the interior

repertory

[rep-er-tawr-ee]

a type of theatrical presentation in which a company presents several works regularly or in alternate sequence in one season

viscous

[vis-kuhs]

of a glutinous nature or consistency; sticky; thick; adhesive

diphthong

[dif-thawng]

a sound formed by the combination of two vowels in a single syllable, in which the sound begins as one vowel and moves toward another (as in coin, loud, and side)