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hemlock
DEFINITIONS OF:
hemlock
1
n
large branching biennial herb native to Eurasia and Africa and adventive in North America having large fernlike leaves and white flowers; usually found in damp habitats; all parts extremely poisonous
Synonyms:
California fern
,
Conium maculatum
,
Nebraska fern
,
poison hemlock
,
poison parsley
,
winter fern
Type of:
poisonous plant
a plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism
n
poisonous drug derived from an Eurasian plant of the genus Conium
“Socrates refused to flee and died by drinking
hemlock
”
Type of:
phytotoxin
,
plant toxin
any substance produced by plants that is similar in its properties to extracellular bacterial toxin
n
an evergreen tree
Synonyms:
hemlock tree
Types:
show 4 types...
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Canadian hemlock
,
Tsuga canadensis
,
eastern hemlock
,
spruce pine
common forest tree of the eastern United States and Canada; used especially for pulpwood
Carolina hemlock
,
Tsuga caroliniana
medium-sized evergreen of southeastern United States having spreading branches and widely diverging cone scales
Tsuga mertensiana
,
black hemlock
,
mountain hemlock
large evergreen of western United States; wood much harder than Canadian hemlock
Pacific hemlock
,
Tsuga heterophylla
,
west coast hemlock
,
western hemlock
tall evergreen of western North America; commercially important timber tree
Type of:
conifer
,
coniferous tree
any gymnospermous tree or shrub bearing cones
n
soft coarse splintery wood of a hemlock tree especially the western hemlock
Type of:
wood
the hard fibrous lignified substance under the bark of trees
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