SUBSTRATUM (substrasta)

Pronunciation (US):

(GB):

Irregular inflected form: substrasta   

 Dictionary entry overview: What does substratum mean? 

• SUBSTRATUM (noun)
  The noun SUBSTRATUM has 3 senses:

1. a surface on which an organism grows or is attached

2. any stratum or layer lying underneath another

3. an indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population

  Familiarity information: SUBSTRATUM used as a noun is uncommon.

 Dictionary entry details 

• SUBSTRATUM (noun)

Sense 1

Meaning:

A surface on which an organism grows or is attached

Classified under:

Nouns denoting spatial position

Synonyms:

substrate; substratum

Context example:

the gardener talked about the proper substrate for acid-loving plants

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

surface (the extended two-dimensional outer boundary of a three-dimensional object)

Sense 2

Meaning:

Any stratum or layer lying underneath another

Classified under:

Nouns denoting spatial position

Synonyms:

substrate; substratum

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

stratum (one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock))

Sense 3

Meaning:

An indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population

Classified under:

Nouns denoting communicative processes and contents

Synonyms:

substrate; substratum

Context example:

the Celtic languages of Britain are a substrate for English

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

indigenous language (a language that originated in a specified place and was not brought to that place from elsewhere)

 Context examples 

Mutant merlin proteins alter cell adhesion, causing cells to detach from the substratum, a possible step in the pathogenesis of NF2.

(Merlin, NCI Thesaurus)

Cell migration is the result of integrated disruption of cell-cell and cell-substratum adhesion and prevention of apoptosis through cell detachment.

(Mucosal Healing Pathway, NCI Thesaurus/BIOCARTA)

While hepatocytes and smooth muscle cells have collagen receptors, most other cells depend on fibronectin for binding to collagen and thus adhesion of cells to extracellular substrata and matrices.

(Fibronectin, NCI Thesaurus)

Similar to murine Cttn, cytoplasmic Cortactin is located in cell-substratum contact areas and contains one SH3 domain that may bind to the cytoskeleton.

(Cortactin, NCI Thesaurus)

Chondroitin Sulfate Proteoglycan 4 (CSPG4), encoded by the CSPG4 gene, plays a role in stabilizing cell-substratum interactions during early events of melanoma cell spreading on endothelial basement membranes.

(Chondroitin Sulfate Proteoglycan 4, NCI Thesaurus/LocusLink)

As apoptotic endothelial cells detach from their substrata, tumor blood vessels collapse; the acute disruption of tumor blood flow may result in tumor necrosis.

(Carbon C 14 Ombrabulin, NCI Thesaurus)