(botany) The arrangement of leaves on a stem, or the mathematical principles governing such arrangement.
phylloxanthin
phylloxanthin
noun
(obsolete, organic chemistry) A yellow pigment obtained by degradation of chlorophyll.
(obsolete, organic chemistry) xanthophyll.
phylloxeric
phylloxeric
adj
Relating to, or caused by, phylloxera.
phylloxeridae
phytoalexin
phytoalexin
noun
(medicine) any of several classes of antibiotics produced by plants in response to microorganisms
phytoalexins
phytoalexins
noun
plural of phytoalexin
podophyllotoxin
podophyllotoxin
noun
A toxin obtained from the rhizomes of some South American plants that is the base of the anticancer drug etoposide.
prophylaxis
prophylaxis
noun
(chess) A move or strategy that frustrates an opponent's plan or tactic.
(medicine) Prevention of, or protective treatment for, disease.
propylhexedrine
propylhexedrine
noun
(pharmacology) An adrenergic compound that is a sympathomimetic with varied medicinal uses.
pseudoanaphylaxis
pseudoanaphylaxis
noun
A kind of anaphylaxis that does not involve an allergic reaction but is due to direct mast cell degranulation.
psychoprophylaxis
psychoprophylaxis
noun
(obsolete, rare) The prevention of disease by psychological means.
A method of preparing women for natural childbirth by means of special breathing, relaxation techniques and psychological conditioning, practiced without anaesthetics.
psychosexuality
psychosexuality
noun
The psychological aspects of sexuality.
pyrrhuloxia
pyrrhuloxia
noun
Cardinalis sinuatus (desert cardinal), a North American bird with grey and red plumage
radioanaphylaxis
semiorthodoxly
seroanaphylaxis
seroanaphylaxis
noun
(medicine, uncommon) Anaphylaxis as a result of an injection of a foreign serum, usually conducted under experimental conditions.
seroprophylaxis
seroprophylaxis
noun
(immunology) Disease prophylaxis achieved via the administration of antibody-containing serum.
sixteenthly
sixteenthly
adv
In the sixteenth place; sixteenth in a row.
sixthly
sixthly
adv
In the sixth place; sixth in a row.
skeptophylaxia
skeptophylaxis
sphenomaxillary
sphenomaxillary
adj
(anatomy) Relating to the sphenoid bone and the maxilla.
spondylexarthrosis
staphylotoxin
staphylotoxin
noun
Any of various toxins produced by Staphylococcus bacteria.
sulphoxylic
tachyphylaxia
tachyphylaxis
tachyphylaxis
noun
(medicine) A rapidly decreasing response to a drug following administration of the initial doses.
toxophily
toxophily
noun
The love of, or an addiction to, archery
trioxymethylene
trioxymethylene
noun
1,3,5-trioxane, a stable cyclic trimer of formaldehyde.
typhlolexia
typhlopexia
unexhaustibly
unexhaustively
unextinguishably
unextinguishably
adv
In a way that cannot be extinguished.
unhoaxability
unlexicographically
unorthodoxically
vixenishly
vixenishly
adv
In a vixenish manner.
xanthophyllic
xanthophyllic
adj
Of or pertaining to xanthophyll.
xanthophyllite
xanthophyllite
noun
(mineralogy, outdated) A synonym of clintonite. The International Mineralogical Association's Commission on New Minerals, Nomenclature and Classification (CNMNC) recommends using clintonite as a replacement in all cases.
xanthoxylin
xanthoxylin
noun
(organic chemistry, obsolete) The active principle of the prickly ash (formerly in genus Xanthoxylum, now Zanthoxylum).
xenomorphically
xerographically
xerographically
adv
In a xerographic way; by xerography.
xerophily
xerophily
noun
Quality of being xerophilic.
xerophytically
xerophytically
adv
As a xerophyte.
xiphophyllous
xiphophyllous
adj
(botany) Having sword-shaped leaves
xylographic
xylographic
adj
of or pertaining to xylographs
xylographical
xylographical
adj
xylographic
xylographically
xylographically
adv
By means of xylography.
xylographies
xylographies
noun
plural of xylography
xylographing
xylographing
verb
present participle of xylograph
xylophagid
xylophagid
noun
(zoology) Any fly in the family Xylophagidae.
xylophagidae
xylophilous
xylophilous
adj
Living on or in wood, as some fungi and beetles do.
