9-letter words containing d, i, s, p, r, o
- rhodopsin — a bright-red photosensitive pigment found in the rod-shaped cells of the retina of certain fishes and most higher vertebrates: it is broken down by the action of dim light into retinal and opsin.
- scorpioid — resembling a scorpion.
- shipboard — Archaic. the deck or side of a ship. the situation of being on a ship.
- skidproof — preventing or resistant to skidding, as certain road surfaces or vehicle tires.
- slip road — A slip road is a road which cars use to drive on and off a motorway.
- sporicide — a substance or preparation for killing spores.
- sporidesm — a multicellular group of spores
- sporidial — relating or belonging to one or more sporidia
- 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
- top-sider — a casual shoe, often made of canvas, having a nonskid rubber sole
- 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.