-ad
suff.（后缀）
语源
suff.（后缀）
- In the direction of; toward:
朝…方向；向…：
cephalad.
向头部地
语源
- From Latin ad [to] * see ad-
源自 拉丁语 ad [朝向…] *参见 ad-
-ad1
suffix forming nouns
a group or unit (having so many parts or members)
⇒
triad
an epic poem concerning (the subject indicated by the stem)
⇒
Dunciad
Origin
via Latin from Greek -ad- (plural -ades), originally forming adjectives; names of epic poems are all formed on the model of the Iliad-ad2
suffix forming adverbs
denoting direction towards a specified part in anatomical descriptions
⇒
cephalad
Origin
from Latin ad to, towards-ad1
Word Origin
1
a suffix occurring in loanwords from Greek denoting a group or unit comprising a certain number, sometimes of years: dyad; triad.
2
a suffix meaning “derived from,” “related to,” “concerned with,” “associated with” (oread), introduced in loanwords from Greek (Olympiad; oread), used sporadically in imitation of Greek models, as Dunciad, after Iliad.
Origin
Greek -ad- (stem of -as), specialization of feminine adjective-forming suffix, often used substantively
-ad2
1
variant of -ade1 : ballad.
-ad3
1
Anatomy, Zoology. a suffix forming adverbs from nouns signifying parts of the body, denoting a direction toward that part: dextrad; dorsad; mediad.
Origin
< Latin ad toward, anomalously suffixed to the noun; introduced as a suffix by Scottish anatomist John Barclay (1758-1826) in 1803
-ad1. a suffix forming nouns denoting a unit or collection of specified number or type, as in triad, ecad.
2. a suffix found in words and names proper to Greek myth, as in dryad.
[Greek -as (stem -ad-)]-ad
adverb suffix
cephalad
noun suffix
bromeliad
| I |
ETYMOLOGY Latin ad
: in the direction of : towardcephalad
| II |
ETYMOLOGY probably from New Latin -ad-, -as, from Greek, suffix denoting descent from or connection with
: member of a botanical groupbromeliad
-ad2
suffix
- forming nouns such as ballad, salad［构成名词, 例如ballad, salad］。比较
-ADE 1.
词源
from French -ade.
-ad1
suffix
forming nouns ［构成名词］
1.
- in collective numerals［构成集合数词］：
-
myriad
triad.
2.
- in names of females in classical mythology, such as dryad and naiad［构成古典神话的女性名, 例如dryad 和naiad］.
3.
- in names of poems and similar compositions［构成诗歌和类似作品的名称］：
-
Iliad
jeremiad.
4.
- forming names of members of some taxonomic groupings［构成某些分类学类别成员名称］：
-
bromeliad.
词源
from the Greek ending -as, -ad-.
-ad
word-forming element denoting collective numerals (Olympiad), plant families, and names of poems, from Greek -as (genitive -ados), a suffix forming fem. nouns; also used in fem. patronymics (Dryad, Naiad, also, in plural, Pleiades, Hyades).
1
ORIGIN: Repr. Latin from Greek -ad- , -as .
2
3
ORIGIN: from Latin ad to: cf. ad-
-ad
I.\ˌad, ˌaa(ə)d, _əd\ noun suffix
(-s)
Etymology: Middle French & Latin; Middle French -ade, from Latin -ad-, -as, from Greek -ad-, -as, feminine suffix denoting descent from or connection with
1.
a. : period of time
< quinquenniad >
b. : group, aggregate, or unit of (so many) parts
< quintad >
c. : element, atom, or radical having (such or so great) a chemical valence
< artiad >
< perissad >
< dyad >
2. : epic of : poem celebrating
< Columbiad >
3.[probably from New Latin -ad-, -as (used as final element in botanical genus names), from Greek] : member of (such) a botanical group
< magnoliad >
< moringad >
4. : kind of plant or animal produced by or associated with
< ecad >
< variad >
• -ad·ic\|adik, -ēk\ adjective suffix
II.adverb suffix
Etymology: Latin ad
biology : in the direction of : toward : -ward
< cephalad >
< ventrad >
I.
1.
a.
< quinquenniad >
b.
< quintad >
c.
< artiad >
< perissad >
< dyad >
2.
< Columbiad >
3.
< magnoliad >
< moringad >
4.
< ecad >
< variad >
• -ad·ic
II.
biology
< cephalad >
< ventrad >
-ad
Suffix
- a unit
Etymology
From Ancient Greek -άς (-ás) (genitive -άδος (-ádos)): a suffix forming feminine nouns.
Derived terms
English words suffixed with -ad