acies-, aci-, acicul-

(Latin: a sharp edge or point; mental acuity, sharpness of vision)

acicula (s) (noun), aciculae (pl)
1. A technical name for a slender needle-like body; such as, the spines or prickles with which some animals and plants are furnished, or the needle-like crystals of certain minerals.
2. A needle-shaped part, as of a plant or crystal.
acicular (adjective), more acicular, most acicular
1. Needle-like; resembling a slender needle or bristle, as the leaves of pine-trees, and various crystals.
2. When referring to cast iron: containing ferrite in a needlelike form; or an alloy having a microstructure of needlelike components.
acicular ice (s) (noun), acicular ices (pl)
In hydrology, freshwater ice containing air bubbles and having many long, needlelike crystals and hollow tubes in a layered arrangement.; fibrous ice, satin ice.
acicularity (s), acicularities (pl) (nouns)
acicularly (adverb)
aciculate (verb), aciculates; aciculated; aciculating
1. To mark or to striate with scratches or making such an appearance.
2.To shape like a needle.
aciculate (adjective), more aciculate, most aciculate
1. Marked or striated with scratches or having such an appearance.
2. Shaped like a needle.
aciculiform (adjective), more aciculiform, most aciculiform
Needle-shaped: "The aciculiform stem was slender like a needle or a bristle."
aciculilignosa
An evergreen and deciduous needle-leaved vegetation.
aciculine (adjective)
Sharp and pointed like a needle.
aciculite (s), aciculites (pl) (nouns)
In mineralogy, needle ore: "The aciculite is a metallic element that is a silver-white, reddish-tinged, brittle metallic element; such as, lead and copper as seen in acicular or needle-shaped crystals."
aciculum (s), acicula (pl) (nouns)
1. A needle-like spine or bristle, as is present in certain types of worms or flagellates.
2. A projecting cluster of bristles or setae found in certain annelid worms or a fingerlike or handlike bristle seen in certain flagellate protozoa.
3. In zoology, one of the slender, sharp stylets embedded in the parapodia of certain annelid worms, as the polychaetes.
4. A technical name for a slender needle-like body; such as, the spines or prickles with which some animals and plants are furnished, or the needle-like crystals of certain minerals.
acierate, acierates; acierated; acierating (verbs)
To convert iron into steel: "One of the metal company's projects was to acierate iron into steel products."
acies (s) (noun)
1. Battle array, the front of an army line of battle; from Roman antiquity.
2. The keen attention or aim, of the eye, ear, etc. when fully directed towards any object.
aciform (adjective)
Needle-shaped or in the form of a needle.

Cross references of word families that are related directly, or indirectly, to: "sour, sharp": acerb-; aceto-; acid-; acuto- (not "sour"); oxy-; pung- (not "sour").