photophore (s), photophores (pl)
1. A luminous light organ on many deep sea and some nocturnal fish, squids, and shrimps.
2. The light-producing organs found especially in marine fishes which produce light from specialized structures or that derive light from symbiotic luminescent bacteria.
The process in photosynthesis that converts light energy to stored energy in plants and bacteria.
Leaf-bearing; producing leaves.
1. Having bubbles or vacuoles.
2. Etymology: from Greek physallis, "bladder, bubble" plus phoros, "bearing".
A cell that carries pigment.
1. A gas-filled sac serving as a float in some colonial marine hydrozoans, such as the Portuguese man-of-war.
2. In botany: A specialized structure developed from the root in certain plants growing in swamps and marshes, serving as a respiratory organ.
2. In zoology, the air sac of a siphonophore, serving as a float.
A double catheter through which cold water is circulated to apply cold to the urethra or another canal or cavity.
1. Bursting into flames spontaneously when exposed to air.
2. Producing sparks when struck: giving off sparks when struck or scraped.
3. From pyrophorus, a substance that ignites spontaneously
semaphore, semaphoric, semiphorical, semaphorically
1. A visual system for sending information by means of two flags that are held one in each hand, using an alphabetic code based on the position of the signaler's arms.
2. Mechanical signaling device: a signaling device for sending information over distances using mechanically operated arms or flags mounted on a post, especially on a railroad.
To send (a message) or to signal by semaphore.
Someone who manages or operates a semaphore.
Any of various transparent, often subtly colored marine hydrozoans of the order Siphonophora, consisting of a floating or swimming colony of polyplike and medusalike individuals and including the Portuguese man-of-war.
spermatophore, spermatophoric, spermatophoral
A capsule or compact mass of spermatozoa extruded by the males of certain invertebrates and primitive vertebrates and directly transferred to the reproductive parts of the female.
Removing, transporting, or carrying off waste materials from the body.
1. Deadly; lethal; leading to death.
2. Applied to a form of dwarfism that results in death.
A lethal dwarfism characterized by micromelia (condition of having disproportionately short or small limbs), bowed long bones, enlarged head, flattened vertebral bodies, and muscular hypotonia; lack of pulmonary ventilation causes respiratory difficulties with cyanosis (a bluish discoloration due to excessive concentration of reduced hemoglobin in the blood) leading to death within the first few hours or days after birth.
Cross references of word families related to "bear, carry, bring":