Affichage de 149 résultats

Sujets
Sujets terme Note sur la portée et contenu Description archivistique décompte Notice d'autorité décompte
marine algae

Utilisé pour : Seaweed

  • Restricted exclusively to saline or brackish ocean environments.
  • Marine algae live naturally in seas and oceans around the world. They include seaweeds and tiny plants suspended in the water. They can look like green flakes, greenish bundles or brownish dots.
2 0
medal

Utilisé pour : Medallions

  • 1: a small usually metal object bearing a religious emblem or picture
  • 2: a piece of metal often resembling a coin and having a stamped design that is issued to commemorate a person or event or awarded for excellence or achievement
1 0
medicine
  • 1a: a substance or preparation used in treating disease
  • 2a: the science and art dealing with the maintenance of health and the prevention, alleviation, or cure of disease
  • 3: a substance (such as a drug or potion) used to treat something other than disease
0 1
Natural History Society 1 0
Botany (7)
  • a branch of biology dealing with plant life
6 1
Botany, Pathology (1)

Utilisé pour : plant diseases, plant pathology, phytopathology

  • a branch of botany concerned with the diseases of plants
2 0
Dutch Elm Disease

Utilisé pour : Elm blight

  • A widespread fungoid killer of elms (Ulmus species) and certain other trees, first described in the Netherlands. Spread by bark beetles, the disease has decimated elm populations throughout much of Europe and North America.
4 0
Botany, Economic (3)

Utilisé pour : Economic Botany

  • a division of botany that deals with the utilization of plants
1 0
gutta percha

Utilisé pour : gutta-percha

  • A tough plastic substance from the latex of several Malaysian trees (especially Palaquium gutta) of the sapodilla family that resembles rubber but contains more resin and is used especially as insulation and in dentistry as a permanent filling in root canals.
2 0
India Rubber 1 0