9-Letter Words Starting S & Ending N

• a powerful neurotoxin produced by certain dinoflagellates found in red tides; it can accumulate in mollusks that feed on the dinoflagellates and cause food poisoning to humans

• intended to test a new system under operating conditions and to familiarize the operators with the system

• initial adjustments to improve the functioning or the efficiency and to bring to a more satisfactory state

• a very thorough search of a person or a place

• extortion of money (as by blackmail)

• rolled dough spread with sugar and nuts then sliced and baked in muffin tins with honey or sugar and butter in the bottom

• a smooth crisp fabric

• parasitic spore-forming protozoan