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Class=open Dictionary

open sesame: any very successful means of achieving a result
open primary: a primary in which any registered voter can vote (but must vote for candidates of only one party)
open frame / break: any frame in which a bowler fails to make a strike or spare, "the break in the eighth frame cost him the match"
open-heart surgery: heart surgery in which the rib cage is spread open, the heart is stopped and blood is detoured through a heart-lung machine while a heart valve or coronary artery is surgically repaired
course course of study / course of instruction / class: education imparted in a series of lessons or meetings, "he took a course in basket weaving", "flirting is not unknown in college classes"
art class: a class in which you learn to draw or paint
childbirth-preparation class: a course that teaches pregnant women to use breathing and concentration and exercise techniques to use during labor
life class: an art class using a live human model
shop class / shop: a course of instruction in a trade (as carpentry or electricity), "I built a birdhouse in shop"
class struggle / class war / class warfare: conflict between social or economic classes (especially between the capitalist and proletariat classes)
class action / class-action suit: a lawsuit brought by a representative member of a large group of people on behalf of all members of the group
course session / class period / recitation: a regularly scheduled session as part of a course of study
Schizomycetes / class Schizomycetes: a former classification
class Cyanobacteria / Cyanophyceae / class Cyanophyceae / /: photosynthetic bacteria found in fresh and salt water, having chlorophyll a and phycobilins, once thought to be algae: blue-green algae
Sarcodina / class Sarcodina / /: characterized by the formation of pseudopods for locomotion and taking food: Actinopoda, Rhizopoda
Ciliata / class Ciliata / Ciliophora / class Ciliophora / / / : class of protozoa having cilia or hairlike appendages on part or all of the surface during some part of the life cycle
Chrysophyceae / class Chrysophyceae / Heterokontae / class Heterokontae: all the yellow-green algae having flagella of unequal length
Xanthophyceae / class Xanthophyceae: yellow-green algae
Bacillariophyceae / class Bacillariophyceae / Diatomophyceae / class Diatomophyc: marine and freshwater eukaryotic algae: diatoms
Phaeophyceae / class Phaeophyceae / /: brown algae, mostly marine and littoral eukaryotic algae
Cyclosporeae / class Cyclosporeae: in more recent classifications superseded by the order Fucales
Euglenophyceae / class Euglenophyceae /: coextensive with the division Euglenophyta
Chlorophyceae / class Chlorophyceae / / /: algae distinguished chiefly by having flagella and a clear green color, their chlorophyll being masked little if at all by other pigments
Ulvophyceae / class Ulvophyceae: alternative name for the class Chlorophyceae in some classifications
Charophyceae / class Charophyceae / : in some classifications: contains only the order Charales
Rhodophyceae / class Rhodophyceae / /: coextensive with the Rhodophyta: red algae
Mastigophora / class Mastigophora / Flagellata / class Flagellata / / : protozoa having flagella
Cryptophyceae / class Cryptophyceae /: motile usually brownish-green protozoa-like algae
Sporozoa / class Sporozoa / / /: strictly parasitic protozoans that are usually immobile, includes plasmodia and coccidia and piroplasms and malaria parasites
Ascidiaceae / class Ascidiaceae / : sometimes classified as an order: sea squirts
Thaliacea / class Thaliacea / : small class of free-swimming tunicates, sometimes classified as an order
Larvacea / class Larvacea / : small free-swimming tunicates, sometimes classified as an order
Placodermi / class Placodermi /: extinct group of bony-plated fishes with primitive jaws
Chondrichthyes / class Chondrichthyes / /: cartilaginous fishes
Aves / class Aves / / / / / / / / / / / / / / / / / : (ornithology) the class of birds
amphibia / class Amphibia / / / / /: the class of vertebrates that live on land but breed in water, frogs, toads, newts, salamanders, caecilians
Reptilia / class Reptilia / / /: class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates, once the dominant land animals
Arachnida / class Arachnida / / / : a large class of arthropods including spiders and ticks and scorpions and daddy longlegs, have four pairs of walking legs and no wings
Pauropoda / class Pauropoda: an obscure class of minute arthropods with branched antennae and to / pairs of legs
Symphyla / class Symphyla /: small class of minute arthropods, unimportant except for the garden centipede
Tardigrada / class Tardigrada /: in some classifications considered a separate phylum: microscopic arachnid-like invertebrates living in water or damp moss having pairs of legs and instead of a mouth a pair of stylets or needlelike piercing organs connected with the pharynx
Chilopoda / class Chilopoda / /: arthropods having the trunk composed of numerous somites each bearing one pair of legs: centipedes
Diplopoda / class Diplopoda / Myriapoda / class Myriapoda /: arthropods having the body composed of numerous double somites each with two pairs of legs: millipedes
Merostomata / class Merostomata / : used in some classifications, includes the orders Xiphosura and Eurypterida
Mammalia / class Mammalia / / / / : warm-blooded vertebrates characterized by mammary glands in the female
Hyalospongiae / class Hyalospongiae / : sponges with siliceous spicules that have six rays, choanocytes are restricted to finger-shaped chambers
Scyphozoa / class Scyphozoa / : coelenterates in which the polyp stage is absent or at least inconspicuous: jellyfishes
Hydrozoa / class Hydrozoa / / : coelenterates typically having alternation of generations, hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes
Anthozoa / class Anthozoa / Actinozoa / class Actinozoa / / : a large class of sedentary marine coelenterates that includes sea anemones and corals, the medusoid phase is entirely suppressed
Nuda / class Nuda /: ctenophores lacking tentacles, comprises one genus: beroe
SiteBook.org Reviews for Class=open. The business hours may vary on holidays like Valentine’s Day, Washington’s Birthday, St. Patrick’s Day, Easter, Easter eve and Mother’s day - Statistics: 3 SiteBook Points for "Class=open" (visitors of this topic page). Class=open › Reviews & Experience Experience and Review Class=open Opening Times and Reports. Date: 2024