subnetn.

Brit.

/ˈsʌbnɛt/, U.S.

/ˈsəbˌnɛt/

Origin: Formed within English, by derivation. Etymons: sub- prefix, net n.¹

Etymology: < sub- prefix + net n.¹ In sense 2 after subnetwork n.

1. Mathematics. A net forming a subset or subobject of another net.

ΚΠ

1939 R. Baer in Trans. Amer. Math. Soc. 46 139 A system K of points, R-lines, S-lines, and T-lines of a net N is termed a subnet of N, if K is a net under the incidence relations, as defined in N.

1975 Proc. Amer. Math. Soc. 52 204 A set is compact if each net contains a convergent subnet.

2009 L. L. Helms Potential Theory ii. 56 Since the net {h_α; α ∈ A} is uniformly bounded and equicontinuous on K, there is a subnet that converges uniformly on K.

2. Computing. A network forming part of a larger network; esp. a computer network forming part of an Internet Protocol network, comprising devices whose IP addresses share the same prefix.

ΚΠ

1964 Sci. News Let. 13 June 371/2 Once the contributions are in proper form, the total holding would be replicated into the seven or more regional centers, from which a sub-net is formed for distribution to university libraries.

1971 Times 8 Jan. 16/5 Among specialized facilities planned for the A.R.P.A. network is a huge trillion-bit data store which everyone on the network will be able to use. Special-purpose ‘subnets’ can be incorporated.

1987 InfoWorld 30 Nov. 14/2 A local/remote switch allows the entire subnet to operate locally, minimizing problems if either the net or subnet is down for some reason.

1995 Data Communic. Internat. Feb. 87/1 DHCP assigns..IP addresses and subnet masks (which are used to divide one physical network into multiple logical subnetworks).

2010 W. R. Stanek Windows 7 xii. 488 If your network consists of multiple subnets connected together, try to connect the device to the same network subnet.

This is a new entry (OED Third Edition, June 2012; most recently modified version published online March 2022).

单词	subnet
释义	subnetn. Brit. /ˈsʌbnɛt/, U.S. /ˈsəbˌnɛt/ Origin: Formed within English, by derivation. Etymons: sub- prefix, net n.¹ Etymology: < sub- prefix + net n.¹ In sense 2 after subnetwork n. 1. Mathematics. A net forming a subset or subobject of another net. ΚΠ 1939 R. Baer in Trans. Amer. Math. Soc. 46 139 A system K of points, R-lines, S-lines, and T-lines of a net N is termed a subnet of N, if K is a net under the incidence relations, as defined in N. 1975 Proc. Amer. Math. Soc. 52 204 A set is compact if each net contains a convergent subnet. 2009 L. L. Helms Potential Theory ii. 56 Since the net {h_α; α ∈ A} is uniformly bounded and equicontinuous on K, there is a subnet that converges uniformly on K. 2. Computing. A network forming part of a larger network; esp. a computer network forming part of an Internet Protocol network, comprising devices whose IP addresses share the same prefix. ΚΠ 1964 Sci. News Let. 13 June 371/2 Once the contributions are in proper form, the total holding would be replicated into the seven or more regional centers, from which a sub-net is formed for distribution to university libraries. 1971 Times 8 Jan. 16/5 Among specialized facilities planned for the A.R.P.A. network is a huge trillion-bit data store which everyone on the network will be able to use. Special-purpose ‘subnets’ can be incorporated. 1987 InfoWorld 30 Nov. 14/2 A local/remote switch allows the entire subnet to operate locally, minimizing problems if either the net or subnet is down for some reason. 1995 Data Communic. Internat. Feb. 87/1 DHCP assigns..IP addresses and subnet masks (which are used to divide one physical network into multiple logical subnetworks). 2010 W. R. Stanek Windows 7 xii. 488 If your network consists of multiple subnets connected together, try to connect the device to the same network subnet. This is a new entry (OED Third Edition, June 2012; most recently modified version published online March 2022). < n.1939
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