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bulb A thick storage organ, usually underground, consisting of a stem and leaf bases (the inner ones fleshy). bulbel A bulb arising from another bulb. See bulblet. bulbil A small, deciduous bulb or tuber formed in the axil of a leaf or pinna; a means of vegetative propagation. bulblet A bulb arising from another bulb; a bulbel. bullate 1.
Shallot bulbs Hippeastrum (amaryllis) bulb. In botany, a bulb is a short underground stem with fleshy leaves or leaf bases [1] that function as food storage organs during dormancy. In gardening, plants with other kinds of storage organ are also called ornamental bulbous plants or just bulbs.
Examples Description SI Inch Details "Standard" lightbulb: A60 E26: A19 E26 ⌀60 mm (~⌀19/8 in) A series bulb, ⌀26 mm Edison screw: Candle-flame bulb: CA35 E12: CA11 E12 ⌀35 mm (~⌀11/8 in) candle-flame shape, ⌀12 mm Edison screw Flood light: BR95 E26: BR30 E26 ⌀95 mm (~⌀30/8 in) flood light, ⌀26 mm Edison screw Halogen track ...
The formation of woody tissue is an example of secondary growth, a change in existing tissues, in contrast to primary growth that creates new tissues, such as the elongating tip of a plant shoot. The process of wood formation ( lignification ) is commonest in the spermatophytes (seed bearing plants) and has evolved independently a number of times.
The word "bulb" has a somewhat different meaning to botanists than it does to gardeners and horticulturalists.In gardening, a "bulb" is a plant's underground or ground-level storage organ that can be dried, stored, and sold in this state, and then planted to grow again.
An electric light, lamp, or light bulb is an electrical component that produces light.It is the most common form of artificial lighting.Lamps usually have a base made of ceramic, metal, glass, or plastic which secures the lamp in the socket of a light fixture, which is often called a "lamp" as well.
Bulbs used for headlamps, turn signals and brake lamps may be required to comply with international and national regulations governing the types of lamps used. Other automotive lighting applications such as auxiliary lamps or interior lighting may not be regulated, but common types are used by many automotive manufacturers.
Consider the examples presented below. There are three basic markups used to make technical terms stand out; these are italic (in typography also termed oblique with regard to sans-serif fonts), bold, and bold italic. The following uses of these styles are recommended for technical articles: Italic (edited as ''italic'') is used for: