Answer: thresholds
AnswerCrossword Clue
THRESHOLDSEntrances
thresholdsThe beginning of an airport runway on which an aircraft is attempting to land
thresholdsThe magnitude or intensity that must be exceeded for a certain reaction, phenomenon, result, or condition to occur or be manifested
thresholdsThe maximum level of radiation or a concentration of a substance considered to be acceptable or safe
thresholdsA strip of wood, metal, or stone forming the bottom of a doorway and crossed in entering a house or room
thresholdsA point of entry or beginning
thresholdsA limit below which a stimulus causes no reaction
thresholdsTHRESHOLD, the sill of a house door; the place or point of entering