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bulb    音标拼音: [b'ʌlb]
n. 灯泡;球状物

灯泡;球状物

bulb
灯泡

bulb
灯泡

bulb
n 1: a modified bud consisting of a thickened globular
underground stem serving as a reproductive structure
2: electric lamp consisting of a transparent or translucent
glass housing containing a wire filament (usually tungsten)
that emits light when heated by electricity [synonym: {light
bulb}, {lightbulb}, {bulb}, {incandescent lamp}, {electric
light}, {electric-light bulb}]
3: a rounded part of a cylindrical instrument (usually at one
end); "the bulb of a syringe"
4: anything with a round shape resembling a teardrop
5: lower or hindmost part of the brain; continuous with spinal
cord; (`bulb' is an old term for medulla oblongata); "the
medulla oblongata is the most vital part of the brain because
it contains centers controlling breathing and heart
functioning" [synonym: {medulla oblongata}, {medulla}, {bulb}]
6: a rounded dilation or expansion in a canal or vessel or organ

Bulb \Bulb\, v. i.
To take the shape of a bulb; to swell.
[1913 Webster]


Bulb \Bulb\ (b[u^]lb), n. [L. bulbus, Gr. bolbo`s: cf. F.
bulbe.]
1. (Bot.) A spheroidal body growing from a plant either above
or below the ground (usually below), which is strictly a
bud, consisting of a cluster of partially developed
leaves, and producing, as it grows, a stem above, and
roots below, as in the onion, tulip, etc. It differs from
a corm in not being solid.
[1913 Webster]

2. (Anat.) A name given to some parts that resemble in shape
certain bulbous roots; as, the bulb of the aorta.
[1913 Webster]

{Bulb of the eye}, the eyeball.

{Bulb of a hair}, the "root," or part whence the hair
originates.

{Bulb of the spinal cord}, the medulla oblongata, often
called simply bulb.

{Bulb of a tooth}, the vascular and nervous papilla contained
in the cavity of the tooth.
[1913 Webster]

3. An expansion or protuberance on a stem or tube, as the
bulb of a thermometer, which may be of any form, as
spherical, cylindrical, curved, etc. --Tomlinson.
[1913 Webster]

3. a {light bulb}.
[1913 Webster]


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  • A Digital Portfolio for Everyone | bulb
    Use bulb as an online platform to share materials, organize lesson plans, and create templates for students Utilize features like assignments, groups, and the admin dashboard to provide structure and streamline your classroom experience
  • A Digital Portfolio for K-12 students | bulb
    Use bulb as an online platform to share materials, organize lesson plans, and create templates for students Utilize features like assignments, groups, and the admin dashboard to provide structure and streamline your classroom experience
  • Digital Portfolio for Education | Higher Ed | bulb
    bulb is an award-winning digital resume portfolio Supercharge your students' learning experience and equip them for life after graduation
  • Professional digital resumes | bulb
    With bulb’s integrated portfolio + resume, professionals can demonstrate growth achievements, contextualize skills, and provide evidence to put their best foot forward to get the job, raise, or promotion
  • Using Portfolios to Explore Career Paths | Portfolio Examples - bulb
    Starting a digital portfolio early in an academic career uncovers passions, talents, skills—and most importantly, direction Take a look at a few bulb digital portfolio examples from CTE students, who successfully differentiate themselves to land a job in some of today’s most competitive industries
  • About us | bulb digital portfolios + resumes
    Reinforcing its commitment to supporting higher education and employment readiness, content curation platform Wakelet announced in March 2024 their acquisition of bulb – a leading platform for creating, showcasing and sharing digital portfolios
  • Blog | bulb
    Welcome to the bulb blog Learn the best tips and tricks for creating a robust digital portfolio for students, educators, and professionals
  • MacMillan - bulb
    bulb helps teachers measure competency with alternative assessments Once you create your account you will get instructions on how to create groups within bulb
  • bulb vs. Xello: The Clear Choice for Digital Portfolios
    When choosing a digital portfolio platform, bulb stands out as the clear and compelling choice With its superior design, professional features, and lifelong accessibility, bulb empowers students to own their learning journeys—both in school and beyond
  • Classroom offer for K-12 students - bulb
    bulb is your ultimate digital showcase— a dynamic portfolio and resume platform tailored for students, educators, and professionals Here, you can effortlessly exhibit your best work, highlight your skills, and share your invaluable experiences throughout your journey





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