9-letter words containing i, s, o, p, d
- sporidium — a small spore produced on the basidia or promycelia of fungi, etc
- strophoid — a plane curve generated by the loci of points p and pprime; on a straight line that intersects the y-axis at a point n and the minus x-axis at a fixed point q, such that pn = npprime; = on, as on changes, where o is the origin. Equation: y 2 = x 2 (x + a)/(a − x).
- subperiod — a subdivision of a time period
- sympodium — an axis or stem that simulates a simple stem but is made up of the bases of a number of axes that arise successively as branches, one from another, as in the grapevine.
- syphiloid — resembling syphilis.
- tidepools — tidal pool.
- toad spit — cuckoo spit (sense 1)
- top-sider — a casual shoe, often made of canvas, having a nonskid rubber sole
- unimposed — to lay on or set as something to be borne, endured, obeyed, fulfilled, paid, etc.: to impose taxes.
- unspoiled — to damage severely or harm (something), especially with reference to its excellence, value, usefulness, etc.: The water stain spoiled the painting. Drought spoiled the corn crop.
- vide post — (used to direct a reader to a specified place in a text) see after
- woodchips — Plural form of woodchip.
- woodpiles — Plural form of woodpile.
- woodspite — the green woodpecker, Gecinus viridis
- worshiped — reverent honor and homage paid to God or a sacred personage, or to any object regarded as sacred.
- wristdrop — paralysis of the extensor muscles of the hand causing it to droop, due to injuries or some poisons, as lead or arsenic.