wax 2 
(wăks)
(wăks)intr.v. waxed, wax·ing, wax·es
Phrasal Verb: 1. To increase gradually in size, number, strength, or intensity: "His love affair with Mrs. Bernstein waxed and waned and waxed again" (C. Hugh Holman).
2. To show a progressively larger illuminated area, as the moon does in passing from new to full.
3.
a. To grow or become as specified: "His very body had waxed old in lowly service of the Lord" (James Joyce).
b. To speak or write as specified: "[He] warmed to his most favorite of subjects, waxed eloquent, gained in his face a glow of passion" (Paul J. Willis).
wax on
To speak or write at length about something: "Mason waxed on and on about the old days" (Jennifer Cruisie).
[Middle English waxen, from Old English weaxan; see aug- in the Appendix of Indo-European roots.]
- streptonigrin
- streptothricin
- streptozocin
- streptozotocin
- Stresemann
- stress
- stressed-out
- stress fracture
- stressful
- stressfully
- stressfulness
- stress incontinence
- stressless
- stressor
- stress test
- stress urinary incontinence
- stretch
- stretchability
- stretchable
- stretch a point
- stretcher
- stretcher-bearer
- stretch legs
- stretch mark
- stretch (one's) legs