slovo | definícia |
pyrethrum (encz) | pyrethrum,kopretina n: Zdeněk Brož |
pyrethrum (wn) | pyrethrum
n 1: made of dried flower heads of pyrethrum plants
2: white-flowered pyrethrum of Balkan area whose pinnate leaves
are white and silky-hairy below; source of an insecticide;
sometimes placed in genus Chrysanthemum [syn: pyrethrum,
Dalmatian pyrethrum, Dalmatia pyrethrum, {Tanacetum
cinerariifolium}, Chrysanthemum cinerariifolium]
3: spring-flowering garden perennial of Asiatic origin having
finely divided aromatic leaves and white to pink-purple
flowers; source of an insecticide; sometimes placed in genus
Chrysanthemum [syn: painted daisy, pyrethrum, {Tanacetum
coccineum}, Chrysanthemum coccineum]
4: used in former classifications for plants later placed in
genus Chrysanthemum and now often included in genus Tanacetum
[syn: Pyrethrum, genus Pyrethrum] |
| podobné slovo | definícia |
Anacyclus Pyrethrum (gcide) | Pellitory \Pel"li*to*ry\, n. [Sp. pelitre, fr. L. pyrethrum. See
Bertram.] (Bot.)
(a) A composite plant (Anacyclus Pyrethrum) of the
Mediterranean region, having finely divided leaves and
whitish flowers. The root is the officinal pellitory, and
is used as an irritant and sialogogue. Called also
bertram, and pellitory of Spain.
(b) The feverfew (Chrysanthemum Parthenium); -- so called
because it resembles the above.
[1913 Webster]Pyrethrine \Pyr"eth*rine\, n. (Chem.)
An alkaloid extracted from the root of the pellitory of Spain
(Anacyclus pyrethrum).
[1913 Webster]Bertram \Ber"tram\, n. [Corrupted fr. L. pyrethrum, Gr. ? a hot
spicy plant, fr. ? fire.] (Bot.)
Pellitory of Spain (Anacyclus pyrethrum).
[1913 Webster] |
Anacyclus pyrethrum (gcide) | Pellitory \Pel"li*to*ry\, n. [Sp. pelitre, fr. L. pyrethrum. See
Bertram.] (Bot.)
(a) A composite plant (Anacyclus Pyrethrum) of the
Mediterranean region, having finely divided leaves and
whitish flowers. The root is the officinal pellitory, and
is used as an irritant and sialogogue. Called also
bertram, and pellitory of Spain.
(b) The feverfew (Chrysanthemum Parthenium); -- so called
because it resembles the above.
[1913 Webster]Pyrethrine \Pyr"eth*rine\, n. (Chem.)
An alkaloid extracted from the root of the pellitory of Spain
(Anacyclus pyrethrum).
[1913 Webster]Bertram \Ber"tram\, n. [Corrupted fr. L. pyrethrum, Gr. ? a hot
spicy plant, fr. ? fire.] (Bot.)
Pellitory of Spain (Anacyclus pyrethrum).
[1913 Webster] |
Pyrethrum camphor (gcide) | Pyrethrin \Pyr"eth*rin\, n. [NL. Pyrethrum, generic name of
feverfew, Gr. ? feverfew.] (Chem.)
A substance resembling, and isomeric with, ordinary camphor,
and extracted from the essential oil of feverfew; -- called
also Pyrethrum camphor.
[1913 Webster] |
Pyrethrum Parthenium (gcide) | Feverfew \Fe"ver*few\ (f[=e]"v[~e]r*f[=u]), n. [AS. feferfuge,
fr. L. febrifugia. See fever, Fugitive, and cf.
Febrifuge.] (Bot.)
A perennial plant (Pyrethrum Parthenium, or {Chrysanthemum
Parthenium}) allied to camomile, having finely divided leaves
and white blossoms; -- so named from its supposed febrifugal
qualities.
[1913 Webster] |
anacyclus pyrethrum (wn) | Anacyclus pyrethrum
n 1: a small Mediterranean plant containing a volatile oil once
used to relieve toothache [syn: pellitory, {pellitory-of-
Spain}, Anacyclus pyrethrum] |
dalmatia pyrethrum (wn) | Dalmatia pyrethrum
n 1: white-flowered pyrethrum of Balkan area whose pinnate
leaves are white and silky-hairy below; source of an
insecticide; sometimes placed in genus Chrysanthemum [syn:
pyrethrum, Dalmatian pyrethrum, Dalmatia pyrethrum,
Tanacetum cinerariifolium, {Chrysanthemum
cinerariifolium}] |
dalmatian pyrethrum (wn) | Dalmatian pyrethrum
n 1: white-flowered pyrethrum of Balkan area whose pinnate
leaves are white and silky-hairy below; source of an
insecticide; sometimes placed in genus Chrysanthemum [syn:
pyrethrum, Dalmatian pyrethrum, Dalmatia pyrethrum,
Tanacetum cinerariifolium, {Chrysanthemum
cinerariifolium}] |
genus pyrethrum (wn) | genus Pyrethrum
n 1: used in former classifications for plants later placed in
genus Chrysanthemum and now often included in genus
Tanacetum [syn: Pyrethrum, genus Pyrethrum] |
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