ˈhalf-tiden.

1. The state of the tide half-way between flood and ebb, when it is half the height of high water.

ΘΚΠ

the world > the earth > water > flow or flowing > tide > type of tide > [noun] > half-tide

half-ebba1450

half-flooda1450

sea level1657

half-tide1669

1669 W. Hacke Coll. Orig. Voy. (1699) III. 61 A Rock that..is covered at half Tide.

1862 D. T. Ansted & R. G. Latham Channel Islands ii. ix. 240 Innumerable pools of water left at half tide.

2. (See quots.)

ΚΠ

1633 T. James Strange Voy. 62 It flowes halfe tyde, that is, from whence the flood commeth, the water thither returneth, two houres before it be high water.

1763 H. More in Philos. Trans. 1762 (Royal Soc.) 52 453 The different tides daily observed between Portsmouth and the Isle of Wight, called there tide and half-tide.

1843 Penny Cycl. XXVII. 146/1 When the stream continues to flow up for three hours after it is high-water, it is said to make tide and half-tide; if it continues to flow during one hour and a half, it is said to make tide and quarter-tide, and so on.

1875 F. G. D. Bedford Sailor's Pocket Bk. (ed. 2) v. 172 In the English Channel..it is ebb tide in the harbours, while the eastern, or flood stream..is still running up, forming what is known to Pilots as ‘Tide and half Tide’.

Compounds

attrib. and Comb. Left dry or accessible at half-tide, as half-tide cavern, half-tide rock; half-tide basin n. (or half-tide dock) one fitted with gates which are closed at half-ebb.

ΘΚΠ

the world > the earth > water > flow or flowing > tide > type of tide > [adjective] > left dry at half tide

half-tide1847

1847 J. Craig New Universal Dict. Half-tide dock, a basin connecting two or more docks, and communicating with the entrance basin.

1854 H. Miller My Schools & Schoolmasters (1858) 532 Half-tide rocks, very dangerous to the mariner, which lie a full half-mile from the shore.

1862 D. T. Ansted & R. G. Latham Channel Islands ii. ix. 242 It is not every half-tide cavern that is thus inhabited.

1880 T. Stevenson in Encycl. Brit. XI. 466/1 In order to extend the time during which vessels can enter or leave a wet dock there are two additional works which are often connected with it. These are the entrance-lock and the outer or half-tide basin.

Derivatives

half-tidal adj. = half-tide (attrib.).

ΚΠ

1885 Truth 11 June 920/2 This difficulty might be met by a half-tidal lock and weir.

This entry has not yet been fully updated (first published 1898; most recently modified version published online June 2016).

单词	half-tide
释义	ˈhalf-tiden. 1. The state of the tide half-way between flood and ebb, when it is half the height of high water. ΘΚΠ the world > the earth > water > flow or flowing > tide > type of tide > [noun] > half-tide half-ebba1450 half-flooda1450 sea level1657 half-tide1669 1669 W. Hacke Coll. Orig. Voy. (1699) III. 61 A Rock that..is covered at half Tide. 1862 D. T. Ansted & R. G. Latham Channel Islands ii. ix. 240 Innumerable pools of water left at half tide. 2. (See quots.) ΚΠ 1633 T. James Strange Voy. 62 It flowes halfe tyde, that is, from whence the flood commeth, the water thither returneth, two houres before it be high water. 1763 H. More in Philos. Trans. 1762 (Royal Soc.) 52 453 The different tides daily observed between Portsmouth and the Isle of Wight, called there tide and half-tide. 1843 Penny Cycl. XXVII. 146/1 When the stream continues to flow up for three hours after it is high-water, it is said to make tide and half-tide; if it continues to flow during one hour and a half, it is said to make tide and quarter-tide, and so on. 1875 F. G. D. Bedford Sailor's Pocket Bk. (ed. 2) v. 172 In the English Channel..it is ebb tide in the harbours, while the eastern, or flood stream..is still running up, forming what is known to Pilots as ‘Tide and half Tide’. Compounds attrib. and Comb. Left dry or accessible at half-tide, as half-tide cavern, half-tide rock; half-tide basin n. (or half-tide dock) one fitted with gates which are closed at half-ebb. ΘΚΠ the world > the earth > water > flow or flowing > tide > type of tide > [adjective] > left dry at half tide half-tide1847 1847 J. Craig New Universal Dict. Half-tide dock, a basin connecting two or more docks, and communicating with the entrance basin. 1854 H. Miller My Schools & Schoolmasters (1858) 532 Half-tide rocks, very dangerous to the mariner, which lie a full half-mile from the shore. 1862 D. T. Ansted & R. G. Latham Channel Islands ii. ix. 242 It is not every half-tide cavern that is thus inhabited. 1880 T. Stevenson in Encycl. Brit. XI. 466/1 In order to extend the time during which vessels can enter or leave a wet dock there are two additional works which are often connected with it. These are the entrance-lock and the outer or half-tide basin. Derivatives half-tidal adj. = half-tide (attrib.). ΚΠ 1885 Truth 11 June 920/2 This difficulty might be met by a half-tidal lock and weir. This entry has not yet been fully updated (first published 1898; most recently modified version published online June 2016). < n.1633
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