The Clue
Straight As in chemistry? (7 letter answer)
The Answer
ARSENIC
Tags
Notes
The answer ARSENIC is seen occasionally, appearing about once every 800 puzzles.
Related Clues
As, chemically
One of the metalloids
#33 on a table
Christie element
Insecticide ingredient
"___ and Old Lace"
Poisonous element
"Old Lace" accompaniment
"___ and Old Lace" (play and movie)
Partner of Old Lace
Poison in classic mysteries
Element forming poisonous compounds
Once-common pesticide component
Elderberry wine additive, in a Kesselring play
It's detected by the Marsh test, in forensics
Definition
ARSENIC as a noun:
1. (arsenic, As, atomic number 33) = a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
2. (arsenic, arsenic trioxide, arsenous anhydride, arsenous oxide, white arsenic, ratsbane) = a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer