Engelmann spruce
— Noun
– English
～ tall spruce of Rocky Mountains and British Columbia with blue-green needles and acutely conic crown; wood used for rough lumber and boxes
Engelmann's spruce
— Noun
– English
～ tall spruce of Rocky Mountains and British Columbia with blue-green needles and acutely conic crown; wood used for rough lumber and boxes
eastern spruce
— Noun
– English
～ medium-sized spruce of eastern North America; chief lumber spruce of the area; source of pulpwood
eigenvalue of a square matrix
— Noun
– English
～ (mathematics) any number such that a given square matrix minus that number times the identity matrix has a zero determinant
eastern grey squirrel
— Noun
– English
～ common medium-large squirrel of eastern North America; now introduced into England