POLLEN

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does pollen mean? 

• POLLEN (noun)
  The noun POLLEN has 1 sense:

1. the fine spores that contain male gametes and that are borne by an anther in a flowering plant

  Familiarity information: POLLEN used as a noun is very rare.

 Dictionary entry details 

• POLLEN (noun)

Sense 1

Meaning:

The fine spores that contain male gametes and that are borne by an anther in a flowering plant

Classified under:

Nouns denoting plants

Hypernyms ("pollen" is a kind of...):

spore (a small usually single-celled asexual reproductive body produced by many nonflowering plants and fungi and some bacteria and protozoans and that are capable of developing into a new individual without sexual fusion)

Hyponyms (each of the following is a kind of "pollen"):

pollinium (a coherent mass of pollen grains (as in orchids))

ragweed pollen (pollen of the ragweed plant is a common allergen)

Derivation:

pollinate (fertilize by transfering pollen)

 Context examples 

The model includes the different types of pollen, and takes into account various conditions that can have an effect on pollen when it enters the atmosphere, for example, rain.

(Estimating how pollen particles in the atmosphere influence climate, The Titi Tudorancea Bulletin)

A fine powdery material such as dry earth or pollen that can be blown about in the air.

(Dust, NCI Thesaurus)

The pollen bearing portion of a stamen.

(Anther, Food and Drug Administration)

They are used especially in diagnosis and treatment of disease (as vaccines or pollen extracts).

(Biological agent, NLM, Medical Subject Headings)

Allergy shots can help make you less sensitive to pollen and provide long-term relief.

(Hay Fever, NIH: National Institute of Allergy and Infectious Diseases)

The study of pollen analysis; used to determine past environmental conditions.

(Palynology, NOAA Paleoclimate Glossary)

The outer wall layer of a spore or pollen grain.

(Exine, NOAA Paleoclimate Glossary)

An arbitrary unit for the measurement of Amb a 1 (or Antigen E), a 38 kD glycoprotein that is the major allergen in short ragweed pollen allergen extracts.

(Amb a 1 Unit, NCI Thesaurus)

Many things can cause asthma, including: • Allergens - mold, pollen, animals • Irritants - cigarette smoke, air pollution • Weather - cold air, changes in weather • Exercise • Infections - flu, common cold

(Asthma in Children, NIH)

In allergies, exposure to mold, pollen or dust may trigger sneezing, watery eyes, and coughing.

(Initiator, NCI Dictionary)